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 2026-10-21T05:11:12Z in 0.271 seconds.

total:
11
page:
0
size:
25
items:

11 results

  1. id:
    2d6e5e8109c8be4e8d34ab41909407d1
    urn:
    URN:NBN:no-nb_digavis_lokalavisatrysilengerdal_null_null_20240502_20_17_1
    title:
    Lokalavisa Trysil-Engerdal
    creators:
    not reported by source
    year:
    20240502
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Innlandet
    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_lokalavisatrysilengerdal_null_null_20240502_20_17_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/2d6e5e8109c8be4e8d34ab41909407d1
  2. id:
    63065d25affe3ee4560699344d37a61f
    urn:
    URN:NBN:no-nb_digavis_hallingdolen_null_null_20241219_86_150_1
    title:
    Hallingdølen
    creators:
    not reported by source
    year:
    20241219
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Buskerud
    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_digavis_hallingdolen_null_null_20241219_86_150_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/63065d25affe3ee4560699344d37a61f
  3. id:
    708dad44f973a6eae0505aeba0ce011c
    urn:
    URN:NBN:no-nb_digavis_itromso_null_null_20260414_128_43_1
    title:
    iTromsø (2010- )
    creators:
    not reported by source
    year:
    20260414
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Troms
    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_digavis_itromso_null_null_20260414_128_43_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/708dad44f973a6eae0505aeba0ce011c
  4. id:
    26dc4dccd22319c89a1eb08c0e448563
    urn:
    URN:NBN:no-nb_digavis_osogfusaposten_null_null_20250516_39_38_1
    title:
    Os & Fusaposten
    creators:
    not reported by source
    year:
    20250516
    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:
    NB
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_osogfusaposten_null_null_20250516_39_38_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/26dc4dccd22319c89a1eb08c0e448563
  5. id:
    481622b4f40329d64fa01ec93e96e566
    urn:
    URN:NBN:no-nb_digavis_hallingdolen_null_null_20241221_86_151_1
    title:
    Hallingdølen
    creators:
    not reported by source
    year:
    20241221
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Buskerud
    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_digavis_hallingdolen_null_null_20241221_86_151_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/481622b4f40329d64fa01ec93e96e566
  6. id:
    e82045781452d9453befa6c99ca8796d
    urn:
    URN:NBN:no-nb_digavis_lokalavisatrysilengerdal_null_null_20241003_20_38_1
    title:
    Lokalavisa Trysil-Engerdal
    creators:
    not reported by source
    year:
    20241003
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Innlandet
    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_lokalavisatrysilengerdal_null_null_20241003_20_38_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e82045781452d9453befa6c99ca8796d
  7. id:
    a84b54b001dd82b7b63d84492277be6a
    urn:
    URN:NBN:no-nb_digavis_lokalavisatrysilengerdal_null_null_20240307_20_10_1
    title:
    Lokalavisa Trysil-Engerdal
    creators:
    not reported by source
    year:
    20240307
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Innlandet
    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_lokalavisatrysilengerdal_null_null_20240307_20_10_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a84b54b001dd82b7b63d84492277be6a
  8. id:
    22cee460622207998cf10fe27ab5da76
    urn:
    URN:NBN:no-nb_digavis_budstikkaforaskerogb_null_null_20250527_128_120_1
    title:
    Budstikka (Asker og Bærum)
    creators:
    not reported by source
    year:
    20250527
    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:
    copyrighted
    viewability:
    NONE
    access_allowed_from:
    LIBRARY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_budstikkaforaskerogb_null_null_20250527_128_120_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/22cee460622207998cf10fe27ab5da76
  9. id:
    72b7bff0b65a5cced5a57bb0c0735084
    urn:
    URN:NBN:no-nb_digavis_opplandarbeiderblad_null_null_20250703_102_75_1
    title:
    Oppland Arbeiderblad
    creators:
    not reported by source
    year:
    20250703
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Innlandet
    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_opplandarbeiderblad_null_null_20250703_102_75_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/72b7bff0b65a5cced5a57bb0c0735084
  10. id:
    8b6e23c272ef390d20af131dcd0e84ce
    urn:
    URN:NBN:no-nb_digavis_hamararbeiderblad_null_null_20250619_100_68_1
    title:
    Hamar Arbeiderblad
    creators:
    not reported by source
    year:
    20250619
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Innlandet
    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_hamararbeiderblad_null_null_20250619_100_68_1-1_001_hovedavis/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/8b6e23c272ef390d20af131dcd0e84ce
  11. id:
    50882569756389b2cde8fbb0ea4f21a8
    urn:
    URN:NBN:no-nb_digibok_2014112107514
    title:
    Aschehougs verdensatlas
    creators:

    3 results

    1. Claval, Paul
    2. Drabczuk, Anne
    3. Rozo, Charles
    year:
    1987
    publisher:
    Aschehoug
    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_2014112107514_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/50882569756389b2cde8fbb0ea4f21a8
limit:
25
offset:
0
returned:
11
has_more_results:
no
Will you use the result in generated code?

Open the same result as JSON

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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.