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 2026-09-27T15:57:32Z in 0.322 seconds.

total:
1113
page:
0
size:
10
items:

10 results

  1. id:
    164ae26eb5edc1874a2656a3f84bb236
    urn:
    not reported by source
    title:
    Cato nytt : avis for Catosenteret, Sofienlunds venner og Stiftelsen Sofienlund
    creators:

    3 results

    1. Sofienlund, Stiftelsen
    2. Cato Zahl Pedersen Senteret I. Son
    3. Sofienlunds Venner
    year:
    19970101
    publisher:
    Stiftelsen Sofienlund
    media_types:

    1 results

    1. tidsskrift
    languages:

    1 results

    1. nob
    county:
    not reported by source
    digital:
    no
    public_domain:
    no
    license:
    copyrighted
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    not reported by source
    viewer_url:
    https://www.nb.no/items/164ae26eb5edc1874a2656a3f84bb236
  2. id:
    afd76dc5ca096402e4813162e2885cbb
    urn:
    URN:NBN:no-nb_digitidsskrift_2022090583084_001
    title:
    Rehabilitering. 2022 Vol. 26 Nr. 1
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2022
    publisher:
    Stiftelsen Sofienlund
    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_2022090583084_001_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/afd76dc5ca096402e4813162e2885cbb
  3. id:
    ea9b7afd99b5930ae3fb53c5b1f6c578
    urn:
    URN:NBN:no-nb_digitidsskrift_2024110880006_002
    title:
    Rehabilitering. 2009 Vol. 13 Nr. 2
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2009
    publisher:
    Stiftelsen Sofienlund
    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_2024110880006_002_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/ea9b7afd99b5930ae3fb53c5b1f6c578
  4. id:
    f021de651c0eb9265bbb9c3bc281fe60
    urn:
    URN:NBN:no-nb_digitidsskrift_2025051480019_002
    title:
    Rehabilitering. 2018 Vol. 22 Nr. 2
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2018
    publisher:
    Stiftelsen Sofienlund
    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_2025051480019_002_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/f021de651c0eb9265bbb9c3bc281fe60
  5. id:
    28cd24335396adab48768c888ab01b0c
    urn:
    URN:NBN:no-nb_digitidsskrift_2024043080028_006
    title:
    God bedring. 2004 Vol. 7 Nr. 2
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2004
    publisher:
    Stiftelsen
    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_2024043080028_006_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/28cd24335396adab48768c888ab01b0c
  6. id:
    beaef28c529a2d2295c1b052ef970dbb
    urn:
    URN:NBN:no-nb_digitidsskrift_2025040380020_001
    title:
    Rehabilitering. 2016 Vol. 20 Nr. 1
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2016
    publisher:
    Stiftelsen Sofienlund
    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_2025040380020_001_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/beaef28c529a2d2295c1b052ef970dbb
  7. id:
    fa025938083da977796a9a3bd545836c
    urn:
    URN:NBN:no-nb_digitidsskrift_2024041880070_002
    title:
    Rehabilitering. 2008 Vol. 12 Nr. 2
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2008
    publisher:
    Stiftelsen Sofienlund
    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_2024041880070_002_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/fa025938083da977796a9a3bd545836c
  8. id:
    544a86226a5d8eb8c83f144b43ecd752
    urn:
    URN:NBN:no-nb_digitidsskrift_2025032080020_002
    title:
    Rehabilitering. 2013 Vol. 17 Nr. 2
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2013
    publisher:
    Stiftelsen Sofienlund
    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_2025032080020_002_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/544a86226a5d8eb8c83f144b43ecd752
  9. id:
    e75b94d019a94cfc9c80313ddcb267a6
    urn:
    URN:NBN:no-nb_digitidsskrift_2024043080028_002
    title:
    God bedring. 2003 Vol. 6 Nr. 2
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2003
    publisher:
    Stiftelsen
    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_2024043080028_002_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e75b94d019a94cfc9c80313ddcb267a6
  10. id:
    a4bcbb64d73415f11623cb759891f097
    urn:
    URN:NBN:no-nb_digitidsskrift_2024041880070_001
    title:
    Rehabilitering. 2008 Vol. 12 Nr. 1
    creators:

    2 results

    1. Sofienlund, Stiftelsen
    2. Sofienlunds venner
    year:
    2008
    publisher:
    Stiftelsen Sofienlund
    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_2024041880070_001_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a4bcbb64d73415f11623cb759891f097
limit:
25
offset:
0
returned:
10
has_more_results:
yes
truncated:
yes
next_offset:
10
Will you use the result in generated code?

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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.