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 2026-09-24T19:06:55Z in 0.196 seconds.

total:
9
page:
0
size:
10
items:

9 results

  1. id:
    6be750322a747c1c452a7c07eed409ac
    urn:
    URN:NBN:no-nb_digitidsskrift_2025072380025_007
    title:
    I form (tidsskrift : Norge) : fingermat, pollenallergi, rafting, spinat. 1998 Nr. 7
    creators:
    not reported by source
    year:
    1998
    publisher:
    Bonnier Publications International
    media_types:

    1 results

    1. tidsskrift
    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_digitidsskrift_2025072380025_007_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/6be750322a747c1c452a7c07eed409ac
  2. id:
    7218339537aa9cf0400a63f8c672db98
    urn:
    URN:NBN:no-nb_digitidsskrift_2023121180012_003
    title:
    Breidablikk (Holtålen) : kulturavisa for Holtålen, Røros, Os, Tolga, Tynset, Alvdal og Folldal. 2005 Vol. 5 Nr. 25
    creators:
    not reported by source
    year:
    2005
    publisher:
    Røros media
    media_types:

    1 results

    1. tidsskrift
    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_digitidsskrift_2023121180012_003_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/7218339537aa9cf0400a63f8c672db98
  3. id:
    ef0b475674b9bd4eb5dc0e43c59006c6
    urn:
    URN:NBN:no-nb_digavis_stavangeraftenblad_null_null_19630625_71_143_1
    title:
    Stavanger aftenblad
    creators:
    not reported by source
    year:
    19630625
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Rogaland
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    LIBRARY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_stavangeraftenblad_null_null_19630625_71_143_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/ef0b475674b9bd4eb5dc0e43c59006c6
  4. id:
    da60f51a2b33dc1e4337b55084f1d579
    urn:
    URN:NBN:no-nb_digavis_ostlandetsblad_null_null_19990226_92_48_1
    title:
    Østlandets Blad
    creators:
    not reported by source
    year:
    19990226
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Akershus
    digital:
    yes
    public_domain:
    no
    license:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_ostlandetsblad_null_null_19990226_92_48_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/da60f51a2b33dc1e4337b55084f1d579
  5. id:
    e44c2f08a7698981110e6371f9902840
    urn:
    URN:NBN:no-nb_digavis_fremover_null_null_20041211_102_288_1
    title:
    Fremover
    creators:
    not reported by source
    year:
    20041211
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Nordland
    digital:
    yes
    public_domain:
    no
    license:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_fremover_null_null_20041211_102_288_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e44c2f08a7698981110e6371f9902840
  6. id:
    831f4fc12e5b119e0df6d96298dfd0df
    urn:
    URN:NBN:no-nb_digibok_2013022205067
    title:
    I Hokusais fotspor : gifts fra Mitt Japan
    creators:

    1 results

    1. Haugsbakken, Marit
    year:
    2010
    publisher:
    Marito forl.
    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_2013022205067_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/831f4fc12e5b119e0df6d96298dfd0df
  7. id:
    662938259175c955ae85e5f2cf127cfb
    urn:
    URN:NBN:no-nb_digavis_bergenstidende_null_null_20000618_133_159_1
    title:
    Bergens Tidende
    creators:
    not reported by source
    year:
    20000618
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Vestland
    digital:
    yes
    public_domain:
    no
    license:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    LIBRARY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_bergenstidende_null_null_20000618_133_159_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/662938259175c955ae85e5f2cf127cfb
  8. id:
    6b6079a662abd5260fd2d58260e27775
    urn:
    URN:NBN:no-nb_pliktmonografi_000029848
    title:
    Pilegrim
    creators:

    2 results

    1. Jensen, Jens Henrik
    2. Kolstad, Henning
    year:
    2024
    publisher:
    Aschehoug
    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_pliktmonografi_000029848_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/6b6079a662abd5260fd2d58260e27775
  9. id:
    105c2467ed76fd1cfe124bf186326388
    urn:
    URN:NBN:no-nb_pliktmonografi_000041096
    title:
    Pilegrim
    creators:

    2 results

    1. Jensen, Jens Henrik
    2. Kolstad, Henning
    year:
    2025
    publisher:
    Aschehoug
    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_pliktmonografi_000041096_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/105c2467ed76fd1cfe124bf186326388
limit:
25
offset:
0
returned:
9
has_more_results:
no
truncated:
no
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Continue exploring

How an AI agent should use this page

Ground rule: Navigate with HTML GET links to keep explanations and relationships. Use the page's JSON alternative only when concrete values must be extracted, compared or computed.

How to use the search lookup

  1. Replace the placeholders in the HTML GET template; remove optional parameters you do not need.
  2. Check types, units, limits and ID formats in the parameter table.
  3. Follow linked results to canonical pages before combining sources.

Misreading to avoid: An empty list means "no results for this lookup". An error message or unavailable source does not mean the data does not exist.

Source-specific next step

Go to the source page for other operations. Use the JSON template only after the HTML result shows that the parameters and source are correct.