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 2026-10-16T11:27:32Z in 0.333 seconds.

total:
14
page:
0
size:
25
items:

14 results

  1. id:
    f32f975847cafed2e0ba1cfac49d6ff6
    urn:
    URN:NBN:no-nb_digavis_tromsfolkeblad_null_null_19700827_6_98_1
    title:
    Troms Folkeblad
    creators:
    not reported by source
    year:
    19700827
    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:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_tromsfolkeblad_null_null_19700827_6_98_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/f32f975847cafed2e0ba1cfac49d6ff6
  2. id:
    7b131ae2103a772dc7950602456600ad
    urn:
    URN:NBN:no-nb_digavis_buskerudsamtstidendedrammen_null_null_19191108_39_255_1
    title:
    Buskeruds Amtstidende (Drammen: 1881-1920)
    creators:
    not reported by source
    year:
    19191108
    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:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_buskerudsamtstidendedrammen_null_null_19191108_39_255_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/7b131ae2103a772dc7950602456600ad
  3. id:
    7f51a853b3b4291b4d4e98caf9aaf22d
    urn:
    URN:NBN:no-nb_digavis_buskerudsamtstidendedrammen_null_null_19160810_36_184_1
    title:
    Buskeruds Amtstidende (Drammen: 1881-1920)
    creators:
    not reported by source
    year:
    19160810
    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:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_buskerudsamtstidendedrammen_null_null_19160810_36_184_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/7f51a853b3b4291b4d4e98caf9aaf22d
  4. id:
    f0274e323da83db065ff8d36d6794f4e
    urn:
    URN:NBN:no-nb_digavis_christianianyheds_null_null_18881109_28_264_1
    title:
    Christiania Nyheds- og Avertissementsblad
    creators:
    not reported by source
    year:
    18881109
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    No results.

    county:
    Oslo
    digital:
    yes
    public_domain:
    yes
    license:
    publicdomain
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_christianianyheds_null_null_18881109_28_264_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/f0274e323da83db065ff8d36d6794f4e
  5. id:
    c3e08ae49156ddbde3849631dd26cb7e
    urn:
    URN:NBN:no-nb_digavis_gjengangeren_null_null_19520922_102_219_1
    title:
    Gjengangeren
    creators:
    not reported by source
    year:
    19520922
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Vestfold
    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_gjengangeren_null_null_19520922_102_219_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c3e08ae49156ddbde3849631dd26cb7e
  6. id:
    b66d990c03c94d2947d3cc025c75e3f0
    urn:
    URN:NBN:no-nb_digavis_aftenposten_null_null_18960318_37_180_2
    title:
    Aftenposten
    creators:
    not reported by source
    year:
    18960318
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Oslo
    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_aftenposten_null_null_18960318_37_180_2-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b66d990c03c94d2947d3cc025c75e3f0
  7. id:
    585c07f39b9751ff248191244a577459
    urn:
    URN:NBN:no-nb_digavis_stavangeraftenblad_null_null_19521002_60_229_1
    title:
    Stavanger aftenblad
    creators:
    not reported by source
    year:
    19521002
    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_19521002_60_229_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/585c07f39b9751ff248191244a577459
  8. id:
    70c91f2f56e0e4ebd15583015b04bd0d
    urn:
    URN:NBN:no-nb_digavis_nordlandsframtid_null_null_19760619_70_138_1
    title:
    Nordlands framtid
    creators:
    not reported by source
    year:
    19760619
    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_nordlandsframtid_null_null_19760619_70_138_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/70c91f2f56e0e4ebd15583015b04bd0d
  9. id:
    0f7aeb1dde74d6c3c0ce8ff337be4794
    urn:
    URN:NBN:no-nb_digavis_agderposten_null_null_19700209_97_33_1
    title:
    Agderposten
    creators:
    not reported by source
    year:
    19700209
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Agder
    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_agderposten_null_null_19700209_97_33_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/0f7aeb1dde74d6c3c0ce8ff337be4794
  10. id:
    caaf15d446a6cf4fd0b193d304a6d1d7
    urn:
    URN:NBN:no-nb_digavis_harstadtidende_null_null_19970513_111_107_1
    title:
    Harstad Tidende
    creators:
    not reported by source
    year:
    19970513
    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:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_harstadtidende_null_null_19970513_111_107_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/caaf15d446a6cf4fd0b193d304a6d1d7
  11. id:
    3b64db5020de7acab91a67034434e2c0
    urn:
    URN:NBN:no-nb_digavis_bergensarbeiderblad_null_null_19650508_38_105_1
    title:
    Bergens Arbeiderblad (1927-41, 1945-92)
    creators:
    not reported by source
    year:
    19650508
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    No results.

    county:
    Vestland
    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_bergensarbeiderblad_null_null_19650508_38_105_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/3b64db5020de7acab91a67034434e2c0
  12. id:
    3d6282c7ea3fa8554ebda09256bbb6a9
    urn:
    URN:NBN:no-nb_digavis_drammenstidendedrammenattenfoertifem_null_null_19591010_128_236_1
    title:
    Drammens Tidende (Drammen: 1845-1960)
    creators:
    not reported by source
    year:
    19591010
    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:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_drammenstidendedrammenattenfoertifem_null_null_19591010_128_236_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/3d6282c7ea3fa8554ebda09256bbb6a9
  13. id:
    0cd8c1239f1aaa19d403098ab117f86c
    urn:
    URN:NBN:no-nb_digavis_dagbladet_null_null_19640704_96_153_2
    title:
    Dagbladet (Oslo: 1869-)
    creators:
    not reported by source
    year:
    19640704
    publisher:
    not reported by source
    media_types:

    1 results

    1. aviser
    languages:

    1 results

    1. Norsk bokmål
    county:
    Oslo
    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_dagbladet_null_null_19640704_96_153_2-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/0cd8c1239f1aaa19d403098ab117f86c
  14. id:
    e22775804a7db73afa9741ed1e4d310c
    urn:
    URN:NBN:no-nb_digavis_haugesundsavis_null_null_19830511_88_107_1
    title:
    Haugesunds Avis
    creators:
    not reported by source
    year:
    19830511
    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:
    ccbyncnd
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digavis_haugesundsavis_null_null_19830511_88_107_1-1_001_null/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e22775804a7db73afa9741ed1e4d310c
limit:
25
offset:
0
returned:
14
has_more_results:
no
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.