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.

Parameter	Requirement	JSON type	Description
`q`	required	string	Free-text query. Supports field-restricted terms too, e.g. "subject:fiske year:1970" combined with free text.
`media_type`	optional	union	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.
`language`	optional	union	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.
`county`	optional	union	Norwegian county name, e.g. "Troms", "Oslo".
`year_from`	optional	union	Restrict to items published/issued in this year range (inclusive).
`year_to`	optional	union	Restrict to items published/issued in this year range (inclusive).
`digital_only`	optional	boolean	Only items that have been digitized.
`sort`	optional	union	One of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).
`page`	optional	integer	Zero-based page index.
`size`	optional	integer	Results per page, 1 to 100 (default 10).
`limit`	optional	integer	Gateway page size; default 25, maximum 100.
`offset`	optional	integer	Number 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.

q (required) Type: string. Free-text query. Supports field-restricted terms too, e.g. "subject:fiske year:1970" combined with free text.

media_type 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.

language 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.

county Type: string. Norwegian county name, e.g. "Troms", "Oslo".

year_from Type: integer. Restrict to items published/issued in this year range (inclusive).

year_to Type: integer. Restrict to items published/issued in this year range (inclusive).

digital_only Type: yes/no. Only items that have been digitized.

sort Type: string. One of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).

page Type: integer. Zero-based page index.

size Type: integer. Results per page, 1 to 100 (default 10).

Result

Source: National Library of Norway. Retrieved 2026-09-25T08:36:10Z in 0.335 seconds.

total:

119

page:

size:

items:

10 results

id:
391c562f20c5729db1033c499c82d1b9
urn:
not reported by source
title:
Overdiagnostikk av demens?
creators:
1 results
1. Halvorsen, Eirik Hornes
year:
2017
publisher:
not reported by source
media_types:
1 results
1. artikler
languages:
1 results
1. nob
county:
not reported by source
digital:
no
public_domain:
no
license:
copyrighted
viewability:
NONE
access_allowed_from:
NB
thumbnail:
not reported by source
viewer_url:
https://www.nb.no/items/391c562f20c5729db1033c499c82d1b9
id:
064253e8ebdac8b1842cf7d3f1052e99
urn:
not reported by source
title:
Tenk helhetlig, tenk samarbeid
creators:
1 results
1. Jørgensen, Anders Palmstrøm
year:
2013
publisher:
not reported by source
media_types:
1 results
1. artikler
languages:
1 results
1. nob
county:
not reported by source
digital:
no
public_domain:
no
license:
copyrighted
viewability:
NONE
access_allowed_from:
NB
thumbnail:
not reported by source
viewer_url:
https://www.nb.no/items/064253e8ebdac8b1842cf7d3f1052e99
id:
daefc2aa66a8e5a2af0f64acdc3ef5b2
urn:
not reported by source
title:
Hemosiderinavleiringer i hjernen
creators:
2 results
1. Schüler, Stephan Johannes
2. Kvistad, Kjell Arne
year:
2017
publisher:
not reported by source
media_types:
1 results
1. artikler
languages:
1 results
1. nob
county:
not reported by source
digital:
no
public_domain:
no
license:
copyrighted
viewability:
NONE
access_allowed_from:
NB
thumbnail:
not reported by source
viewer_url:
https://www.nb.no/items/daefc2aa66a8e5a2af0f64acdc3ef5b2
id:
a20469b729fd68a5f7ff79cc6646e9dc
urn:
URN:NBN:no-nb_pliktmonografi_000020450
title:
Language in the mathematics classroom
creators:
6 results
1. European Society for Research in Mathematics Education Conference Montpelier 2020 7.
2. Schüler-Meyer, Alexander
3. Ingram, Jenni
4. Rønning, Frode
5. Erath, Kirstin
6. Chesnais, Aurélie
year:
2020
publisher:
Department of Mathematical Sciences, Norwegian University of Science and Technology
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_pliktmonografi_000020450_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/a20469b729fd68a5f7ff79cc6646e9dc
id:
5d98ef532a4b688402f86a15d64df897
urn:
URN:NBN:no-nb_digavis_namdalsavisa_null_null_20190716_0_133_1
title:
Namdalsavisa
creators:
not reported by source
year:
20190716
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Trøndelag
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_namdalsavisa_null_null_20190716_0_133_1-1_001_hovedavis/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/5d98ef532a4b688402f86a15d64df897
id:
1bf9c3446d41557f9b59542c19942122
urn:
URN:NBN:no-nb_digavis_namdalsavisa_null_null_20200727_0_85_1
title:
Namdalsavisa
creators:
not reported by source
year:
20200727
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Trøndelag
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_namdalsavisa_null_null_20200727_0_85_1-1_001_hovedavis/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/1bf9c3446d41557f9b59542c19942122
id:
bfab289810bb36832e69a513273a0bb2
urn:
URN:NBN:no-nb_digavis_namdalsavisa_null_null_20170504_0_103_01
title:
Namdalsavisa
creators:
not reported by source
year:
20170504
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Trøndelag
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_namdalsavisa_null_null_20170504_0_103_01-01_001_seksjonsnavn/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/bfab289810bb36832e69a513273a0bb2
id:
52040164c6c11a6edb4889df0f00c0a8
urn:
URN:NBN:no-nb_plikttidsskrift_c1534552-1c09-4f4b-9b74-6d6b7f7d5419
title:
Axonet : medlemsblad for Norsk nevrologisk forening. 2014 Vol. 23 Nr. 3
creators:
2 results
1. Norsk neurologisk forening
2. Norsk nevrologisk forening
year:
2014
publisher:
Norsk nevrologisk forening
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_plikttidsskrift_c1534552-1c09-4f4b-9b74-6d6b7f7d5419_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/52040164c6c11a6edb4889df0f00c0a8
id:
fe3b601fd4e0c24ccb9365895f783bb4
urn:
URN:NBN:no-nb_digavis_namdalsavisa_null_null_20210721_0_82_1
title:
Namdalsavisa
creators:
not reported by source
year:
20210721
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Trøndelag
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_namdalsavisa_null_null_20210721_0_82_1-1_001_hovedavis/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/fe3b601fd4e0c24ccb9365895f783bb4
id:
97781f5f7c6124b7ab82c1f432f6f9a7
urn:
URN:NBN:no-nb_digavis_namdalsavisa_null_null_20170508_0_106_01
title:
Namdalsavisa
creators:
not reported by source
year:
20170508
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Trøndelag
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_namdalsavisa_null_null_20170508_0_106_01-01_001_seksjonsnavn/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/97781f5f7c6124b7ab82c1f432f6f9a7

limit:

offset:

returned:

has_more_results:

yes

truncated:

yes

next_offset:

Will you use the result in generated code?

Open the same result as JSON

Is data missing or incorrect? Send feedback about this result.

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

Replace the placeholders in the HTML GET template; remove optional parameters you do not need.
Check types, units, limits and ID formats in the parameter table.
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.

AI agent? Read the complete navigation and programming guide.