search

Search the National Library's catalog - books, newspapers, journals, photos, maps, music, manuscripts, radio/TV and more, both physical and digitized. Digitized text (OCR) is matched too by default, so a query can surface newspaper or book pages that mention a term even when it's not in the title.

Signature: search(q: string, required; media_type: string, optional, default None; language: string, optional, default None; county: string, optional, default None; year_from: integer, optional, default None; year_to: integer, optional, default None; digital_only: yes/no, optional, default False; sort: one of: date, date,desc, title, title,desc, otherid, otherid,desc, firstDigitalContentTime, firstDigitalContentTime,desc, optional, default None; limit: integer, items, optional, default 25; offset: integer, items, optional, default 0)

Direct GET

For navigating agents: open the HTML page with parameters in the URL. The result is fetched and displayed without screenshots or form filling.

Open this validated HTML GET URL

https://allemannsdata.com/wiki/kilder/nasjonalbiblioteket/search/?q={q}&media_type={media_type}&language={language}&county={county}&year_from={year_from}&year_to={year_to}&digital_only=false&sort={sort}&limit=25&offset=0

Replace {q}, {media_type}, {language}, {county}, {year_from}, {year_to}, {digital_only}, {sort} with values. Remove unused optional parameters from the URL.

For software and dashboards: Read the operation descriptor. The JSON GET template is https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/search?q={q}&media_type={media_type}&language={language}&county={county}&year_from={year_from}&year_to={year_to}&digital_only=false&sort={sort}&limit=25&offset=0. Open this exact request as JSON.

ParameterRequirementJSON typeDescription
qrequiredstringFree-text query. Supports field-restricted terms too, e.g. "subject:fiske year:1970" combined with free text.
media_typeoptionalunionRestrict to one type, e.g. aviser (newspapers), bøker (books), tidsskrift (journals), bilder (photos), musikk, kart (maps), film, plakater (posters), noter (sheet music), radio, fjernsyn. See get_aggregations(q="*", group_by="mediatype") for the full list with counts.
languageoptionalunionLanguage filter - values are inconsistent in the catalog (mixes codes like "nob" and labels like "Norsk bokmål"); check get_aggregations(q=q, group_by="languages") first if unsure.
countyoptionalunionNorwegian county name, e.g. "Troms", "Oslo".
year_fromoptionalunionRestrict to items published/issued in this year range (inclusive).
year_tooptionalunionRestrict to items published/issued in this year range (inclusive).
digital_onlyoptionalbooleanOnly items that have been digitized.
sortoptionalunionOne of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).
limitoptionalintegerGateway page size; default 25, maximum 100.
offsetoptionalintegerNumber of list items to skip; default 0.
Generated JavaScript, Python and response structure

Use JSON when the user requests code, machine-readable data, value extraction or further computation. Use the HTML GET page to identify the correct source and verify parameters.

Example for generated JavaScript and Python

https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/search?q={q}&media_type={media_type}&language={language}&county={county}&year_from={year_from}&year_to={year_to}&digital_only=false&sort={sort}&limit=25&offset=0

Replace URL placeholders and remove unused optional parameters.

JavaScript in a dashboard

const url = "https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/search?q={q}&media_type={media_type}&language={language}&county={county}&year_from={year_from}&year_to={year_to}&digital_only=false&sort={sort}&limit=25&offset=0";
const response = await fetch(url);
if (!response.ok) {
  const failure = await response.json();
  throw new Error(`${failure.error.code}: ${failure.error.message} ${failure.suggestion}`);
}
const result = await response.json();
const data = result.data;

Python without additional packages

import json
from urllib.request import urlopen

url = "https://allemannsdata.com/wiki/api/v1/kilder/nasjonalbiblioteket/search?q={q}&media_type={media_type}&language={language}&county={county}&year_from={year_from}&year_to={year_to}&digital_only=false&sort={sort}&limit=25&offset=0"
with urlopen(url) as response:
    result = json.load(response)
data = result["data"]

Response structure

{
  "source": "nasjonalbiblioteket",
  "operation": "search",
  "parameters": {},
  "data": {},
  "entities": [],
  "_meta": {"retrieved_at": "...", "sources": [], "cache": {}},
  "_links": {"self": "...", "source": "...", "wiki": "...", "feedback": "..."}
}
Form for manual use

The form is a fallback for people and browser agents that cannot open the GET URL directly.

Type: string. Free-text query. Supports field-restricted terms too, e.g. "subject:fiske year:1970" combined with free text.
Type: string. Restrict to one type, e.g. aviser (newspapers), bøker (books), tidsskrift (journals), bilder (photos), musikk, kart (maps), film, plakater (posters), noter (sheet music), radio, fjernsyn. See get_aggregations(q="*", group_by="mediatype") for the full list with counts.
Type: string. Language filter - values are inconsistent in the catalog (mixes codes like "nob" and labels like "Norsk bokmål"); check get_aggregations(q=q, group_by="languages") first if unsure.
Type: string. Norwegian county name, e.g. "Troms", "Oslo".
Type: integer. Restrict to items published/issued in this year range (inclusive).
Type: integer. Restrict to items published/issued in this year range (inclusive).
Type: yes/no. Only items that have been digitized.
Type: one of: date, date,desc, title, title,desc, otherid, otherid,desc, firstDigitalContentTime, firstDigitalContentTime,desc. One of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).

Result

Source: National Library of Norway. Retrieved 2026-11-13T03:36:13Z in 0.349 seconds.

total:
11104
page:
0
size:
25
items:

25 results

  1. id:
    975630fbe523f34c31fa1575635ceb6f
    urn:
    URN:NBN:no-nb_pliktmusikk_EAN_7041884720090_01_0013
    title:
    As Dew in Aprille : A Ceremony of Carols, No. 5
    creators:

    5 results

    1. Vox humana
    2. Britten, Benjamin
    3. Jansson, Dag
    4. Oslo gitarensemble
    5. Sparbo, Njål
    year:
    2011
    publisher:
    Quattro
    media_types:

    1 results

    1. musikk
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    not reported by source
    viewer_url:
    https://www.nb.no/items/975630fbe523f34c31fa1575635ceb6f
    date:
    2011-10-16
  2. id:
    5375939d13c1712cbf676366bff6f759
    urn:
    URN:NBN:no-nb_digibok_2020042148543
    title:
    Florilegium : en undersøkelse av billedspråket i Vita humana-frisen, Abbazzia delle Tre Fontane, Roma
    creators:

    1 results

    1. Aavitsland, Kristin Bliksrud
    year:
    2002
    publisher:
    Det historisk-filosofiske fakultet, Universitetet i Oslo
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. nob
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2020042148543_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/5375939d13c1712cbf676366bff6f759
  3. id:
    6af21e55e5e6988ca99d8fa52d661c9a
    urn:
    URN:NBN:no-nb_digibok_2025072406069
    title:
    Protection of neurons : glutathione as a key mediator for survival with potential implication for use of estrogens as neuroprotectors
    creators:

    1 results

    1. Sørvik, Irene Beate
    year:
    2017
    publisher:
    University of Oslo, Faculty of Mathematics and Natural Sciences, Department of Pharmaceutical Biosciences, School of Pharmacy
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2025072406069_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/6af21e55e5e6988ca99d8fa52d661c9a
  4. id:
    49cc24c441c698c637c1f7fbad4885bc
    urn:
    URN:NBN:no-nb_digibok_2015031348066
    title:
    Spelet om Christian Frederik : veien til nordisk fred
    creators:

    1 results

    1. Mossespelet AS
    year:
    2014
    publisher:
    Mossespelet AS
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. nob
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2015031348066_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/49cc24c441c698c637c1f7fbad4885bc
  5. id:
    4b3d1d98320609a942ac4e58bfb3ebc8
    urn:
    URN:NBN:no-nb_digibok_2015102208064
    title:
    Retinoids as regulators of growth and differentiation of myeloid leukemic cell lines
    creators:

    1 results

    1. Botilsrud, Marie
    year:
    1989
    publisher:
    [M. Botilsrud]
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2015102208064_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/4b3d1d98320609a942ac4e58bfb3ebc8
  6. id:
    e76aa2a2355337f1c3b2999521c6c158
    urn:
    URN:NBN:no-nb_pliktmonografi_000024257
    title:
    Iron-related biomarkers as predictors of etiology and prognosis in pneumonia
    creators:

    1 results

    1. Oppen, Kjersti
    year:
    2023
    publisher:
    University of Oslo
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000024257_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e76aa2a2355337f1c3b2999521c6c158
  7. id:
    a7a9d90770656bfbdd8c3e40598a2541
    urn:
    URN:NBN:no-nb_pliktmonografi_000042280
    title:
    Azasugar and iminosugar derivatives : synthesis and evaluation as glycosidase and cholinesterase inhibitors
    creators:

    1 results

    1. Moreń, Monika
    year:
    2024
    publisher:
    University of Stavanger, Faculty of Science and Technology, Department of Chemistry, Bioscience and Environmental Engineering
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000042280_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a7a9d90770656bfbdd8c3e40598a2541
  8. id:
    133e079de6f3a499a2c43bfa94367176
    urn:
    URN:NBN:no-nb_digibok_2010092208007
    title:
    Copepod stoichiometry and predation on protozoa as structuring factors in marine pelagic food webs
    creators:

    1 results

    1. Gismervik, Ingrid
    year:
    1997
    publisher:
    Section of Marine Chemistry and Marine Zoology, Department of Biology, University of Oslo
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2010092208007_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/133e079de6f3a499a2c43bfa94367176
  9. id:
    367f33c85783952e4dfdacf4185058a1
    urn:
    URN:NBN:no-nb_digibok_2025081806192
    title:
    Ethyl glyucuronide in hair and nail as a biomarker of alcohol consumption : opportunities and limitations
    creators:

    3 results

    1. Fosen, Jan Toralf
    2. Universitetet i Oslo Institutt for klinisk medisin
    3. Universitetet i Oslo Det medisinske fakultet
    year:
    2021
    publisher:
    University of Oslo, Faculty of Medicine, Institute of Clinical Medicine
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2025081806192_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/367f33c85783952e4dfdacf4185058a1
  10. id:
    0b5d2ac39f0b497dd3c3df0aa82c0dd1
    urn:
    URN:NBN:no-nb_pliktmonografi_000030204
    title:
    TSAd as a target for therapy : TSAd-SH2 domain interactions in T cells
    creators:

    1 results

    1. Chan, Hanna
    year:
    2024
    publisher:
    Institute of Health and Society, Faculty of Medicine, University of Oslo
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000030204_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/0b5d2ac39f0b497dd3c3df0aa82c0dd1
  11. id:
    830f5bece2980a8dda3b4ad116b64084
    urn:
    URN:NBN:no-nb_digibok_2007082404048
    title:
    Extracellular homocysteine as an indicator of methotrexate pharmacodynamics : analytical methods, in vitro experiments, and clinical studies
    creators:

    1 results

    1. Refsum, Helga
    year:
    1991
    publisher:
    Department of Pharmacology and Toxicology, University of Bergen
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2007082404048_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/830f5bece2980a8dda3b4ad116b64084
  12. id:
    c9183802fb89e07ee6b42fbd5bd42200
    urn:
    URN:NBN:no-nb_pliktmonografi_000056500
    title:
    Human albumin with improved FcRn binding as a carrier for therapeutics and subunit vaccines
    creators:

    1 results

    1. Anthi, Aina Karen
    year:
    2025
    publisher:
    Institute of Clinical Medicine, Faculty of Medicine, University of Oslo
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000056500_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c9183802fb89e07ee6b42fbd5bd42200
  13. id:
    b5c6ee679fafe7ffa1f2ba73fe448b17
    urn:
    URN:NBN:no-nb_digibok_2024081248018
    title:
    Developing lactiplantibacillus as a delivery vehicle for medicinal proteins = : Utvikling av Lactiplantibacillus som en leveringsvektor for medisinske proteiner
    creators:

    3 results

    1. Wiull, Kamilla
    2. Norges miljø- og biovitenskapelige universitet
    3. Norges miljø- og biovitenskapelige universitet Fakultet for kjemi, bioteknologi og matvitenskap
    year:
    2024
    publisher:
    NMBU
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2024081248018_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b5c6ee679fafe7ffa1f2ba73fe448b17
  14. id:
    eafcf81785c67ac574867aeb0342e0b2
    urn:
    URN:NBN:no-nb_digibok_2016112948651
    title:
    Extracellular homocysteine as an indicator of the functional state of the cobalamin-dependent enzyme 5-methyltetrahydrofolate homocysteine methyltransferase : indirect and direct enzyme targeting by folate, antifolate, methionine and nitrous oxide
    creators:

    1 results

    1. Christensen, Benedicte
    year:
    1993
    publisher:
    Division of Pharmacology, Department of Clinical Biology, University of Bergen : Norwegian Cancer Society
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2016112948651_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/eafcf81785c67ac574867aeb0342e0b2
  15. id:
    37594b1e2a3b763d92a1219a023fcca4
    urn:
    URN:NBN:no-nb_digibok_2013040806084
    title:
    The cerebral metabolism of amino acids and related metabolites as studied by ¹³C and ¹⁴C labelling
    creators:

    1 results

    1. Hassel, Bjørnar
    year:
    1995
    publisher:
    Forsvarets forskningsinstitutt
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2013040806084_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/37594b1e2a3b763d92a1219a023fcca4
  16. id:
    39b7e2e2639401ce8407df98d5cd9b2a
    urn:
    URN:NBN:no-nb_digibok_2017062307078
    title:
    The cerebral metabolism of amino acids and related metabolites as studied by ¹³C and ¹⁴C labelling
    creators:

    1 results

    1. Hassel, Bjørnar
    year:
    1995
    publisher:
    Department Group of Basic Medical Sciences Norwegian Defence Research Establishment, Division for Environmental Toxicology, University of Oslo
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2017062307078_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/39b7e2e2639401ce8407df98d5cd9b2a
  17. id:
    4dcb8abd470aefe1bc2db73b6e8a7496
    urn:
    URN:NBN:no-nb_digibok_2024100948011
    title:
    Study and engineering of gram-negative bacteria as hosts for production of recombinant proteins and biopolymers
    creators:

    3 results

    1. Gawin, Agnieszka
    2. Norges teknisk-naturvitenskapelige universitet Institutt for bioteknologi og matvitenskap
    3. Norges teknisk-naturvitenskapelige universitet
    year:
    2020
    publisher:
    Norwegian University of Science and Technology, Faculty of Natural Sciences, Department of Biotechnology and Food Science
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2024100948011_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/4dcb8abd470aefe1bc2db73b6e8a7496
  18. id:
    9814df93427be921ae4acc969a015945
    urn:
    URN:NBN:no-nb_digibok_2026022306008
    title:
    The role of age in cellular responses to microenvironmental cues as a breast cancer susceptibility factor
    creators:

    1 results

    1. Pélissier, Fanny
    year:
    2016
    publisher:
    University of Bergen
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2026022306008_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/9814df93427be921ae4acc969a015945
  19. id:
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    1. Finanger, Trine
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    1. Parramón, José M.
    2. Gran, Rolf
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    1. Moen, Line Victoria
    year:
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    1. Yadrykhins'ky, Vladyslav
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