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 2026-11-11T20:37:58Z in 0.249 seconds.

total:
18814
page:
0
size:
25
items:

25 results

  1. id:
    a4658bf63b6ebeb397dd7c38ffde1f3c
    urn:
    URN:NBN:no-nb_digibok_2011010608120
    title:
    The genus Dorstenia (Moraceae)
    creators:

    2 results

    1. Berg, C.C.
    2. Hijman, M.E.E.
    year:
    1999
    publisher:
    Botanisk institutt, Universitetet i 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_2011010608120_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a4658bf63b6ebeb397dd7c38ffde1f3c
  2. id:
    bafc4e3eb41bf2f42d5ae9f4166c299a
    urn:
    URN:NBN:no-nb_digibok_2016080408130
    title:
    The genus inonotus : a synopsis
    creators:

    1 results

    1. Ryvarden, Leif
    year:
    2005
    publisher:
    Fungiflora
    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_2016080408130_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/bafc4e3eb41bf2f42d5ae9f4166c299a
  3. id:
    69671e8f76c30cc4d656a4085a087a89
    urn:
    URN:NBN:no-nb_digibok_2008061204042
    title:
    Serological studies in genus candida
    creators:

    1 results

    1. Jonsen, Jon
    year:
    1955
    publisher:
    Akademisk trykningssentral
    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_2008061204042_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/69671e8f76c30cc4d656a4085a087a89
  4. id:
    2d3d24d1cb0468df014cf3973fd33f41
    urn:
    URN:NBN:no-nb_digibok_2021092109511
    title:
    Fra genus til kasus : om vandrefolk
    creators:

    1 results

    1. Sivertsen, Dagfinn
    year:
    1979
    publisher:
    Instituttet for sosiologi, 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_2021092109511_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/2d3d24d1cb0468df014cf3973fd33f41
  5. id:
    cebca60514a6c0cba80211a99d3e8bac
    urn:
    URN:NBN:no-nb_digibok_2009072700096
    title:
    The Genus crepidotus (Basidiomycotina, Agaricales) in Norway
    creators:

    1 results

    1. Nordstein, Stein
    year:
    1990
    publisher:
    Fungiflora
    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_2009072700096_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/cebca60514a6c0cba80211a99d3e8bac
  6. id:
    450b96963b9cec97308f9958a73afccf
    urn:
    URN:NBN:no-nb_digibok_2023031748052
    title:
    Ctenaspis : a new genus of cyathaspidian fishes
    creators:

    1 results

    1. Kiær, Johan
    year:
    1930
    publisher:
    (Dybwad)
    media_types:

    1 results

    1. bøker
    languages:

    3 results

    1. eng
    2. ger
    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_2023031748052_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/450b96963b9cec97308f9958a73afccf
  7. id:
    60621f27cd6872ec121fe3b124ca66f5
    urn:
    URN:NBN:no-nb_digibok_2017021048538
    title:
    Pencils of algebraic curves of genus 1
    creators:

    1 results

    1. Thalberg, Olaf M.
    year:
    1940
    publisher:
    I kommisjon hos Dybwad
    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_2017021048538_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/60621f27cd6872ec121fe3b124ca66f5
  8. id:
    7e45a5ea7fbcf3c9104dd1c7b901da1a
    urn:
    URN:NBN:no-nb_digibok_2010021000058
    title:
    The genus Nemania s.l. (Xylariaceae) in Norden
    creators:

    3 results

    1. Granmo, Alfred
    2. Schumacher, Trond
    3. Læssøe, Thomas
    year:
    1999
    publisher:
    Botanical Garden and Museum, 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:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2010021000058_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/7e45a5ea7fbcf3c9104dd1c7b901da1a
  9. id:
    a4a9c18aec59a64c927bc5ad440c9839
    urn:
    URN:NBN:no-nb_pliktmonografi_000129059
    title:
    3D topography as an indicator of change in food processing ability in elements of the conodont genus Palmatolepis
    creators:

    4 results

    1. Goudemez, Cédric
    2. Thiery, Ghislain
    3. Girard, Catherine
    4. Assemat, Alexandre
    year:
    2026
    publisher:
    Universitetsforlaget
    media_types:

    1 results

    1. artikler
    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_000129059_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a4a9c18aec59a64c927bc5ad440c9839
  10. id:
    6a56dd27ee9ea75c5a7de700e01fa677
    urn:
    URN:NBN:no-nb_digibok_2024040848115
    title:
    A monograph of the genus Toninia (Lecideaceae, Ascomycetes)
    creators:

    1 results

    1. Timdal, Einar
    year:
    1991
    publisher:
    Council for Nordic Publications in Botany
    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_2024040848115_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/6a56dd27ee9ea75c5a7de700e01fa677
  11. id:
    65e806ba05d982235d8c2855a230c01c
    urn:
    URN:NBN:no-nb_digibok_2017011048197
    title:
    The genus Polyporus (Aphyllophorales, Basidiomycotina) : a world synopsis
    creators:

    1 results

    1. Garcia, Maria Paz Nuñez
    year:
    1993
    publisher:
    University of Oslo, Department of Biology, Division of Botany
    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_2017011048197_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/65e806ba05d982235d8c2855a230c01c
  12. id:
    5edc1e42f64b3f27c46ea8362a0083ac
    urn:
    URN:NBN:no-nb_digibok_2017112248243
    title:
    The genus Lepidopteris and its southern hemisphere species
    creators:

    1 results

    1. Townrow, John A.
    year:
    1956
    publisher:
    I kommisjon hos Aschehoug
    media_types:

    1 results

    1. bøker
    languages:

    3 results

    1. eng
    2. ger
    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_2017112248243_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/5edc1e42f64b3f27c46ea8362a0083ac
  13. id:
    e744a1df523c06c8ba15cd14121a7c5f
    urn:
    URN:NBN:no-nb_digibok_2017052307210
    title:
    The lichen-genus Acarospora in Grenland and Spitsbergen
    creators:

    1 results

    1. Magnusson, A. H.
    year:
    1935
    publisher:
    I kommisjon hos Dybvad
    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_2017052307210_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e744a1df523c06c8ba15cd14121a7c5f
  14. id:
    b3d6a563fbb97286ad7e4cb55bbf8f31
    urn:
    URN:NBN:no-nb_digibok_2015050408067
    title:
    Genus Legionella : serological aspects and evaluation of proteinases
    creators:

    3 results

    1. Berdal, Bjørn Peter
    2. Forsvarets mikrobiologiske laboratorium
    3. Norge Forsvarets overkommando Sanitetsstaben
    year:
    1984
    publisher:
    B.P. Berdal
    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_2015050408067_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b3d6a563fbb97286ad7e4cb55bbf8f31
  15. id:
    9f54380226d32c687938fde168258a30
    urn:
    URN:NBN:no-nb_digibok_2010070506019
    title:
    The lichen genus Placopsis in Tristan da Cunha
    creators:

    2 results

    1. Lamb, I. Mackenzie
    2. Norwegian Scientific Expedition to Tristan da Cunha
    year:
    1940
    publisher:
    (Dybwad)
    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_2010070506019_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/9f54380226d32c687938fde168258a30
  16. id:
    fdab756b56c00e9a586a171fe1d577b8
    urn:
    URN:NBN:no-nb_digibok_2016090508128
    title:
    A world-monograph of the genus Thecotheus (Ascomycetes, Pezizales)
    creators:

    1 results

    1. Aas, Olav
    year:
    1992
    publisher:
    Botanical Institute, 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_2016090508128_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/fdab756b56c00e9a586a171fe1d577b8
  17. id:
    9a01fbd536fd7a8e73e6bce8dbb286d5
    urn:
    URN:NBN:no-nb_digibok_2009090804079
    title:
    Anatomy and relationship of the Ordovician algal genus Apidium
    creators:

    2 results

    1. Spjeldnæs, Nils
    2. Nitecki, Matthew H.
    year:
    1990
    publisher:
    Institutt for geologi, Universitetet i 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_2009090804079_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/9a01fbd536fd7a8e73e6bce8dbb286d5
  18. id:
    bc9b908bdf1733a42e2f91ff7c85e7da
    urn:
    URN:NBN:no-nb_digibok_2025102106132
    title:
    Bacterial protein glycosylation : a perspective from the genus Neisseria
    creators:

    1 results

    1. Wang, Nelson
    year:
    2019
    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_2025102106132_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/bc9b908bdf1733a42e2f91ff7c85e7da
  19. id:
    f22f9e4223d1dd967688d04b7e11648d
    urn:
    URN:NBN:no-nb_digibok_2020050848598
    title:
    Genus og transfer når norsk er andrespråk : tre korpusbaserte studier
    creators:

    3 results

    1. Ragnhildstveit, Silje
    2. Universitetet i Bergen
    3. Universitetet i Bergen Institutt for lingvistiske, litterære og estetiske studier
    year:
    2017
    publisher:
    Universitetet i Bergen
    media_types:

    1 results

    1. bøker
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