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 2026-10-21T17:11:11Z in 0.279 seconds.

total:
245
page:
0
size:
25
items:

25 results

  1. id:
    a046f8518514e4e2c067f0b81181be74
    urn:
    URN:NBN:no-nb_digibok_2024071548030
    title:
    Strategies for legionella management in drinking water systems : an examination of water intake placement and flushing efficacy
    creators:

    1 results

    1. Meegoda, Charuka Saamantha
    year:
    2023
    publisher:
    NTNU, Norwegian University of Science and Technology
    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_2024071548030_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a046f8518514e4e2c067f0b81181be74
  2. id:
    038e923db5c4342b2da1ba0dbdabe766
    urn:
    URN:NBN:no-nb_digibok_2009033000119
    title:
    Soil water requirements and response to fertilisation of barley in Northern Ethiopia
    creators:

    1 results

    1. Woundimagegenehu, Fekadu
    year:
    2002
    publisher:
    Department of Horticulture and Crop Sciences, Agricultural University of Norway
    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_2009033000119_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/038e923db5c4342b2da1ba0dbdabe766
  3. id:
    c95890e3c28f1718288caafce038ab8c
    urn:
    URN:NBN:no-nb_digibok_2025081806221
    title:
    Cellulose nanofibrils as rheology modifiers and stabilizers in food systems
    creators:

    3 results

    1. Aaen, Ragnhild
    2. Norges teknisk-naturvitenskapelige universitet Institutt for kjemisk prosessteknologi
    3. Norges teknisk-naturvitenskapelige universitet
    year:
    2020
    publisher:
    Norwegian University of Science and Technology, Faculty of Natural Sciences, Department of Chemical 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_digibok_2025081806221_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c95890e3c28f1718288caafce038ab8c
  4. id:
    17e1b0432a18451899c4554a0ab6da95
    urn:
    URN:NBN:no-nb_digibok_2023022048041
    title:
    Microbial community dynamics in water and biofilm of recirculating aquaculture systems (RAS)
    creators:

    3 results

    1. Dahle, Stine Wiborg
    2. Norges teknisk-naturvitenskapelige universitet Institutt for bioteknologi og matvitenskap
    3. Norges teknisk-naturvitenskapelige universitet Fakultet for naturvitenskap
    year:
    2022
    publisher:
    Norwegian University of Science and Technology
    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_2023022048041_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/17e1b0432a18451899c4554a0ab6da95
  5. id:
    40489101abb9ab3bc149654724caa040
    urn:
    URN:NBN:no-nb_digibok_2025070206103
    title:
    Genomic short tandem repeats as modulators of gene expression and protein function
    creators:

    1 results

    1. Reinar, William B.
    year:
    2021
    publisher:
    Department of Biosciences, 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_digibok_2025070206103_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/40489101abb9ab3bc149654724caa040
  6. id:
    e1cb053bde3720f3c2edbd955888d388
    urn:
    URN:NBN:no-nb_digibok_2023052348090
    title:
    Atmospheric CO2 drawdown, community dynamics and selection of surface microbiomes in marine cold-water ecosystems
    creators:

    2 results

    1. Aalto, Nerea Johanna
    2. UiT Norges arktiske universitet Norges fiskerihøgskole, Fakultet for biovitenskap, fiskeri og økonomi
    year:
    2022
    publisher:
    UiT The Arctic University of Norway, Faculty of Biosciences, Fisheries and Economics
    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_2023052348090_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e1cb053bde3720f3c2edbd955888d388
  7. id:
    c6ebfcff0a1caea0a10a6acf7b1dec12
    urn:
    URN:NBN:no-nb_pliktmonografi_000015968
    title:
    Skogens helsetilstand i Norge : resultater fra skogskadeovervåkingen i 2018
    creators:

    18 results

    1. Timmermann, Volkmar
    2. Økland, Bjørn
    3. Flø, Daniel
    4. Nordbakken, Jørn-Frode
    5. Talgø, Venche
    6. Børja, Isabella
    7. Aas, Wenche
    8. Solheim, Halvor
    9. Pettersson, Martin
    10. Vindstad, Ole Petter L.
    11. Kvamme, Torstein
    12. Nygaard, Per Holm
    13. Solberg, Sverre
    14. Clarke, Nicholas
    15. Jepsen, Jane Uhd
    16. Andreassen, Kjell
    17. Wollebæk, Gro
    18. Brurberg, May Bente
    year:
    2019
    publisher:
    NIBIO
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. nob
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000015968_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c6ebfcff0a1caea0a10a6acf7b1dec12
  8. id:
    9796129e457c04657542cd254699639b
    urn:
    URN:NBN:no-nb_digibok_2020121148015
    title:
    Water mass exchange, pathways and the mesoscale eddy field in the Lofoten Basin of the Norwegian Sea
    creators:

    1 results

    1. Dugstad, Johannes Sandanger
    year:
    2020
    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_2020121148015_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/9796129e457c04657542cd254699639b
  9. id:
    bcc793390997d4376baffbb932164c4d
    urn:
    URN:NBN:no-nb_digibok_2024052848031
    title:
    Chilling of Atlantic salmon (Salmo salar) in refrigerated seawater : its effect on water holding properties and general quality through the whole value chain
    creators:

    3 results

    1. Chan, Sherry Stephanie
    2. Norges teknisk-naturvitenskapelige universitet Institutt for bioteknologi og matvitenskap
    3. Norges teknisk-naturvitenskapelige universitet
    year:
    2021
    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_2024052848031_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/bcc793390997d4376baffbb932164c4d
  10. id:
    40877a5e6643c90af4d358c2610a40be
    urn:
    URN:NBN:no-nb_digibok_2016121948171
    title:
    Plant macrofossils as a terrestrial climate archive for the last 11000 years in south and central Norway
    creators:

    1 results

    1. Eide, Wenche
    year:
    2003
    publisher:
    Department of Botany, 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_2016121948171_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/40877a5e6643c90af4d358c2610a40be
  11. id:
    282041ae2fd63b6bbe31fec25e314e3b
    urn:
    URN:NBN:no-nb_pliktmonografi_000082820
    title:
    Risk assessment of contaminants in sewage sludge used as fertilising product in Norway – fate and effects in the food chain and the environment : Risikovurdering: De fleste organiske miljøgifter i avløpsslam utgjør lav risiko hver for seg
    creators:

    1 results

    1. Eggen m. fl, Trine
    year:
    2026
    publisher:
    VKM
    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_000082820_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/282041ae2fd63b6bbe31fec25e314e3b
  12. id:
    4a4baa72c73af0aec8ed096772c3350f
    urn:
    URN:NBN:no-nb_digitidsskrift_2024120280017_005
    title:
    Meldinger fra Norges landbrukshøgskole (trykt utg.) : Scientific reports of the Agricultural University of Norway. 1973 Vol. 52 Nr. 5
    creators:

    1 results

    1. Norges landbrukshøgskole
    year:
    1973
    publisher:
    Norges landbrukshøgskole
    media_types:

    1 results

    1. tidsskrift
    languages:

    4 results

    1. eng
    2. nob
    3. mul
    4. nno
    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_digitidsskrift_2024120280017_005_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/4a4baa72c73af0aec8ed096772c3350f
  13. id:
    f7a45ae2c0214a8201ff59aa1e739037
    urn:
    URN:NBN:no-nb_digitidsskrift_2024120280031_001
    title:
    Meldinger fra Norges landbrukshøgskole (trykt utg.) : Scientific reports of the Agricultural University of Norway. 1979 Vol. 58 Nr. 30
    creators:

    1 results

    1. Norges landbrukshøgskole
    year:
    1979
    publisher:
    Norges landbrukshøgskole
    media_types:

    1 results

    1. tidsskrift
    languages:

    4 results

    1. eng
    2. nob
    3. mul
    4. nno
    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_digitidsskrift_2024120280031_001_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/f7a45ae2c0214a8201ff59aa1e739037
  14. id:
    b23bc18f1ab4535b387cc2f44ae9fa3d
    urn:
    URN:NBN:no-nb_pliktmonografi_000016824
    title:
    Nutrition and fertilizer application to apple trees : a review
    creators:

    5 results

    1. Ličina, Vlado
    2. Simić, Aleksandar
    3. Krogstad, Tore
    4. Akšić , Milica Fotirić
    5. Meland, Mekjell
    year:
    2021
    publisher:
    NIBIO
    media_types:

    1 results

    1. bøker
    languages:

    2 results

    1. eng
    2. nob
    county:
    not reported by source
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000016824_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b23bc18f1ab4535b387cc2f44ae9fa3d
  15. id:
    844f8231744e53a117ad465c0853def3
    urn:
    URN:NBN:no-nb_digibok_2025082248095
    title:
    Dissecting Norway Spruce defense strategies: Harnessing natural defense-related chemicals to enhance resistance = : Disseksjon av forsvarsstrategier i gran: Bruk av naturlige forsvarsrelaterte kjemikalier for å fremme resistens
    creators:

    3 results

    1. Huynh, Ngan Bao
    2. Norges miljø- og biovitenskapelige universitet
    3. Norges miljø- og biovitenskapelige universitet Fakultet for biovitenskap
    year:
    2025
    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_2025082248095_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/844f8231744e53a117ad465c0853def3
  16. id:
    86705d0efa2937fce190d55fef7c5eea
    urn:
    URN:NBN:no-nb_digibok_2008120300087
    title:
    The role of air humidity and calcium in determining postharvest quality of roses
    creators:

    1 results

    1. Torre, Sissel
    year:
    1999
    publisher:
    Department of Horticulture and Crop Sciences, Agricultural University of Norway
    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_2008120300087_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/86705d0efa2937fce190d55fef7c5eea
  17. id:
    20c2ac58d2777f6e35c279aad242b25d
    urn:
    URN:NBN:no-nb_digibok_2024040448061
    title:
    How to tame a parasite : developing biotechnological pipelines for gene function studies in Cuscuta
    creators:

    3 results

    1. Lachner, Lena Anna-Maria
    2. UiT Norges arktiske universitet
    3. UiT Norges arktiske universitet Fakultet for biovitenskap, fiskeri og økonomi
    year:
    2022
    publisher:
    UiT The Arctic University of Norway, Faculty of Biosciences, Fisheries and Economics
    media_types:

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    1. Islam, Md. Nazrul
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