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: string, optional, default None; page: integer, optional, default 0; size: integer, optional, default 10; 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}&page=0&size=10&limit=25&offset=0

Replace {q}, {media_type}, {language}, {county}, {year_from}, {year_to}, {digital_only}, {sort}, {page}, {size} 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}&page=0&size=10&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).
pageoptionalintegerZero-based page index.
sizeoptionalintegerResults per page, 1 to 100 (default 10).
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}&page=0&size=10&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}&page=0&size=10&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}&page=0&size=10&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: string. One of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).
Type: integer. Zero-based page index.
Type: integer. Results per page, 1 to 100 (default 10).

Result

Source: National Library of Norway. Retrieved 2026-11-01T04:43:59Z in 0.252 seconds.

total:
8998
page:
0
size:
25
items:

25 results

  1. id:
    4373bbb9f50202b14e99ccade1fcb783
    urn:
    URN:NBN:no-nb_pliktmonografi_000025022
    title:
    Analysis of polyphenols from Laminaria hyperborea for application as life science ingredients
    creators:

    1 results

    1. Wekre, Marie Emilie
    year:
    2023
    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_pliktmonografi_000025022_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/4373bbb9f50202b14e99ccade1fcb783
  2. id:
    9ce41225c8213e7869d36b434f86063c
    urn:
    URN:NBN:no-nb_digibok_2012090608200
    title:
    "Fra forskning til klinisk praksis" : temadag om klinisk utprøving, Grand hotel, 6. oktober 2000 : referat
    creators:

    1 results

    1. Merck Sharp & Dohme (Norge)
    year:
    2000
    publisher:
    MSD
    media_types:

    1 results

    1. bøker
    languages:

    3 results

    1. eng
    2. nob
    3. mul
    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_2012090608200_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/9ce41225c8213e7869d36b434f86063c
  3. id:
    fe941cce130060ddec42c40c8814835d
    urn:
    URN:NBN:no-nb_digibok_2019030177102
    title:
    Passing as human : posthuman worldings at stake in contemporary science fiction
    creators:

    1 results

    1. Hellstrand, Ingvil
    year:
    2015
    publisher:
    University of Stavanger, Faculty of Social Sciences
    media_types:

    1 results

    1. bøker
    languages:

    4 results

    1. nno
    2. eng
    3. nob
    4. mul
    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_2019030177102_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/fe941cce130060ddec42c40c8814835d
  4. id:
    d98bcb4d22f211d5ba9c1e0df66d3e34
    urn:
    URN:NBN:no-nb_digibok_2009031100023
    title:
    Laboratory animal science
    creators:

    2 results

    1. Hem, Annelise
    2. Norges veterinærhøgskole
    year:
    2001
    publisher:
    Norwegian School of Veterinary Science
    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_2009031100023_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/d98bcb4d22f211d5ba9c1e0df66d3e34
  5. id:
    b6cee4ecd6de9765dfa94fe40f235c38
    urn:
    URN:NBN:no-nb_pliktmonografi_000036124
    title:
    Tracing hidden diversity : environmental DNA as a tool for detecting aquatic life
    creators:

    1 results

    1. Carvalho, Cintia Oliveira
    year:
    2024
    publisher:
    Natural History Museum, Faculty of Mathematics and Natural Sciences, 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_000036124_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b6cee4ecd6de9765dfa94fe40f235c38
  6. id:
    76545cb426ac3c883557d7d6d7413cc1
    urn:
    URN:NBN:no-nb_digibok_2016062708044
    title:
    Gastrointestinal disease - future treatment : proceedings of the ninth symposium in a series on Basic Science in Gastroenterology, Royal Postgraduate Medical School, Hammersmith Hospital, London, UK, 19 March 1985
    creators:

    2 results

    1. Polak, J. M.
    2. Basic Science in Gastroenterology
    year:
    1985
    publisher:
    Universitetsforlaget
    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_2016062708044_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/76545cb426ac3c883557d7d6d7413cc1
  7. id:
    3bc2b92a19ab6e30eb027512257bcd0e
    urn:
    URN:NBN:no-nb_digibok_2025110506111
    title:
    Proteomic approaches to study CD4+ T cells and meningococci : new insight into life science and infection biology
    creators:

    3 results

    1. Riaz, Tahira
    2. Universitetet i Oslo Det medisinske fakultet
    3. Universitetet i Oslo Institutt for klinisk medisin
    year:
    2019
    publisher:
    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_digibok_2025110506111_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/3bc2b92a19ab6e30eb027512257bcd0e
  8. id:
    af4fe830e0313ac489af449cb61e3cc4
    urn:
    URN:NBN:no-nb_digibok_2020110207599
    title:
    Rethinking the topoi of normativity : co-production as an alternative to epistemologically modelled philosophies of science
    creators:

    2 results

    1. Nydal, Rune
    2. Norges teknisk-naturvitenskapelige universitet Filosofisk institutt
    year:
    2006
    publisher:
    Norges teknisk-naturvitenskapelige universitet, Det historisk-filosofiske fakultet, Filosofisk institutt
    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_2020110207599_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/af4fe830e0313ac489af449cb61e3cc4
  9. id:
    51b889cc2f3a6536babfc7d4a537874f
    urn:
    URN:NBN:no-nb_digibok_2016110248297
    title:
    Adaption pathophysiology of intestinal response to disease : proceedings of the third symposium in a series on Basic Science in Gastroenterology organised jointly by the Royal Postgraduate Medical School and Glaxo Group Research Limited : Royal Postgraduate Medical School, Hammersmith Hospital, London UK, 23 March 1982
    creators:

    2 results

    1. Polak, J. M.
    2. Basic Science in Gastroenterology
    year:
    1982
    publisher:
    Universitetsforl.
    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_2016110248297_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/51b889cc2f3a6536babfc7d4a537874f
  10. id:
    4abcc8f6e3451e240e2cbf308b0e2271
    urn:
    URN:NBN:no-nb_pliktmonografi_000004275
    title:
    Liver organoids, mass spectrometry, and separation science
    creators:

    1 results

    1. Skottvoll, Frøydis Sved
    year:
    2022
    publisher:
    Department of Chemistry, Faculty of Mathematics and Natural Sciences, 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_000004275_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/4abcc8f6e3451e240e2cbf308b0e2271
  11. id:
    825675e006fcaa99328f4486e7041e0e
    urn:
    URN:NBN:no-nb_digibok_2010061706020
    title:
    Chloro-organic used as flame retardants
    creators:

    1 results

    1. Huse, Astri
    year:
    1995
    publisher:
    Nordic Council of Ministers
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    yes
    license:
    publicdomain
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2010061706020_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/825675e006fcaa99328f4486e7041e0e
  12. id:
    b79b2d02d82af112e7083ac9f60c656e
    urn:
    URN:NBN:no-nb_digibok_2008031004017
    title:
    Biotransformation enzymes as markers of xenobiotic exposure
    creators:

    1 results

    1. Egaas, Eliann
    year:
    1995
    publisher:
    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_2008031004017_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b79b2d02d82af112e7083ac9f60c656e
  13. id:
    8e31d0d156724bdc3993688a2b43e258
    urn:
    URN:NBN:no-nb_digibok_2017050448004
    title:
    DNA damage as a possible mechanism in testicular toxicity
    creators:

    1 results

    1. Bjørge, Christine
    year:
    1996
    publisher:
    Department of Environmental Medicine, National Institute of Public Health
    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_2017050448004_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/8e31d0d156724bdc3993688a2b43e258
  14. id:
    d695a88fd9feacf8700763fd96028252
    urn:
    URN:NBN:no-nb_digibok_2026070806059
    title:
    Sulfated alginates : characterization and applications as biomaterials
    creators:

    1 results

    1. Arlov, Øystein
    year:
    2016
    publisher:
    Norwegian University of Science and Technology, Faculty of Natural Sciences and Technology, Department of Biotechnology
    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_2026070806059_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/d695a88fd9feacf8700763fd96028252
  15. id:
    197ed0b8cd7f7748b6083e17117ae923
    urn:
    URN:NBN:no-nb_digibok_2025071006023
    title:
    IgA-based antibody formats with extended plasma half-life and potent effector functions
    creators:

    3 results

    1. Mester, Simone
    2. Universitetet i Oslo Institutt for klinisk medisin
    3. Universitetet i Oslo Det medisinske fakultet
    year:
    2021
    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_digibok_2025071006023_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/197ed0b8cd7f7748b6083e17117ae923
  16. id:
    03a7ce90af5c6a41b8d12fc10352e145
    urn:
    URN:NBN:no-nb_digibok_2025090406025
    title:
    Use of lead isotopes in forensic science, analysis, and evaluation
    creators:

    1 results

    1. Sjåstad, Knut-Endre
    year:
    2017
    publisher:
    University of Oslo, Faculty of Mathematics and Natural Sciences, Department of Geosciences
    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_2025090406025_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/03a7ce90af5c6a41b8d12fc10352e145
  17. id:
    a57c97beb9ddadefa4953e164b06d2cb
    urn:
    URN:NBN:no-nb_digibok_2009021600154
    title:
    38. Biokjemiske kontaktmøte : functional genomics - the mosaics of life : Quality HotelRøros 17.-20. januar 2002
    creators:

    2 results

    1. Biokjemisk kontaktmøte 38 2002 Røros
    2. Norsk biokjemisk selskap
    year:
    2002
    publisher:
    NBS
    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_2009021600154_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a57c97beb9ddadefa4953e164b06d2cb
  18. 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:
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