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 2026-09-28T04:49:48Z in 0.375 seconds.

total:

42053

page:

size:

items:

10 results

id:
ca306305194513eb9ed72434775ed57d
urn:
not reported by source
title:
Transportsentralen 65 år : 1927-1992 : jubileumsavis for Transportsentralen A/L 1992
creators:
1 results
1. Transportsentralen (Oslo)
year:
1992
publisher:
Transportsentralen
media_types:
1 results
1. bøker
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/ca306305194513eb9ed72434775ed57d
id:
ab1a0fa800b87060b3c71fa3eb42fe2f
urn:
URN:NBN:no-nb_digibok_2011021408038
title:
Jubileumsskrift : Transportsentralen Lillestrøm 50 år : 1948-1998
creators:
1 results
1. Transportsentralen Lillestrøm
year:
1998
publisher:
[Transportsentralen]
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_2011021408038_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/ab1a0fa800b87060b3c71fa3eb42fe2f
id:
e240cb6f05f70a6c0f7a618b3200868b
urn:
URN:NBN:no-nb_digibok_2020113048523
title:
Transportsentralen Rana SA : gjennom 70 år : 1947-2017
creators:
3 results
1. Solås, Arild
2. Kalkenberg, Arne
3. Transportsentralen Rana
year:
2017
publisher:
Transportsentralen Rana
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_2020113048523_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/e240cb6f05f70a6c0f7a618b3200868b
id:
35f3e963fb481398055b495a2386e1bf
urn:
URN:NBN:no-nb_digibok_2012071208134
title:
Transportsentralen Lillestrøm 60 år : 1948-2008
creators:
1 results
1. Transportsentralen Lillestrøm
year:
2008
publisher:
Transportsentralen
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_2012071208134_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/35f3e963fb481398055b495a2386e1bf
id:
22967b44bb7da9091b7c282558c54ecc
urn:
URN:NBN:no-nb_digibok_2015090348117
title:
Samhold i strid og arbeid : Transportsentralen AL Oslo 75 år : 1927-2002
creators:
2 results
1. Eriksen, Bjørn Erik
2. Transportsentralen (Oslo)
year:
2002
publisher:
[Transportsentralen]
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_2015090348117_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/22967b44bb7da9091b7c282558c54ecc
id:
b3e6bba0a83ae8384c816d442c142b7a
urn:
not reported by source
title:
Transportsentralen A/L Oslo: Høyst oppegående 75-åring
creators:
1 results
1. Ivarson, Henning
year:
2002
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/b3e6bba0a83ae8384c816d442c142b7a
id:
94ee16a60e6945eafabbc3aea0f09503
urn:
URN:NBN:no-nb_plikttidsskrift_d8a861c4-63e9-4aba-abef-369ce581d80b
title:
Årsberetning. 2021
creators:
1 results
1. Transportsentralen (Oslo)
year:
2021
publisher:
TS
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_d8a861c4-63e9-4aba-abef-369ce581d80b_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/94ee16a60e6945eafabbc3aea0f09503
id:
fb9efa2b7a5e37eb5c1d8f26f41e56bd
urn:
URN:NBN:no-nb_plikttidsskrift_cdcafe72-1620-4ae6-ba20-2b6444c874ac
title:
Årsberetning. 2020
creators:
1 results
1. Transportsentralen (Oslo)
year:
2020
publisher:
TS
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_cdcafe72-1620-4ae6-ba20-2b6444c874ac_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/fb9efa2b7a5e37eb5c1d8f26f41e56bd
id:
dafa6f0e6057d283072e3bc4893bc7bf
urn:
URN:NBN:no-nb_plikttidsskrift_350aebe4-7dc5-42d7-a49e-ff9f951b57dc
title:
Årsrapport. 2021
creators:
1 results
1. Transportsentralen Lillestrøm
year:
2021
publisher:
Sentralen
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_350aebe4-7dc5-42d7-a49e-ff9f951b57dc_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/dafa6f0e6057d283072e3bc4893bc7bf
id:
e9d9ec4a0b4abe0d90ef0218be983844
urn:
URN:NBN:no-nb_plikttidsskrift_7b216b89-f49e-4deb-acba-82b37acfaf87
title:
Årsrapport. 2020
creators:
1 results
1. Transportsentralen Lillestrøm
year:
2020
publisher:
Sentralen
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_7b216b89-f49e-4deb-acba-82b37acfaf87_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/e9d9ec4a0b4abe0d90ef0218be983844

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.