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 2026-09-25T18:00:31Z in 0.169 seconds.

total:

3597

page:

size:

items:

10 results

id:
48d69b002f59a42cf38b7d1db0ef76f5
urn:
URN:NBN:no-nb_digitidsskrift_2025060283077_001
title:
Årsrapport. 2021
creators:
1 results
1. Fredrikstad vann, avløp og renovasjonsforetak
year:
2021
publisher:
Fredrikstad vann, avløp og renovasjonsforetak
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_2025060283077_001_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/48d69b002f59a42cf38b7d1db0ef76f5
id:
1609afcdca51a0d95ea7f6c7f62833af
urn:
URN:NBN:no-nb_pliktmonografi_000041733
title:
Overvåking av Vestvannet og Borredalsdammen i Viken, 2023
creators:
1 results
1. Ballot, Andreas
year:
2024
publisher:
Norsk institutt for vannforskning
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_pliktmonografi_000041733_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/1609afcdca51a0d95ea7f6c7f62833af
id:
e8b44b45a6fedd4676aec9b4263e30b9
urn:
URN:NBN:no-nb_pliktmonografi_000016485
title:
Overvåking av Vestvannet og Borredalsdammen i Viken, 2022
creators:
1 results
1. Ballot, Andreas
year:
2023
publisher:
Norsk institutt for vannforskning
media_types:
1 results
1. bøker
languages:
1 results
1. nob
county:
not reported by source
digital:
yes
public_domain:
no
license:
copyrighted
viewability:
ALL
access_allowed_from:
EVERYWHERE
thumbnail:
https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000016485_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/e8b44b45a6fedd4676aec9b4263e30b9
id:
dedc270e47219c81bb11f66eb0dfaff4
urn:
URN:NBN:no-nb_pliktmonografi_000007105
title:
Bærekraftig innovasjon gjennom industriell symbiose. Kartlegging Øra industripark 2018
creators:
3 results
1. Hanssen, Mathias Røed
2. Raadal, Hanne Lerche
3. Callewaert, Pieter
year:
2022
publisher:
Norsus
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_pliktmonografi_000007105_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/dedc270e47219c81bb11f66eb0dfaff4
id:
0112669f267849258a9a96550e26e6a0
urn:
URN:NBN:no-nb_pliktmonografi_000008851
title:
Overvåking av Vestvannet og Borredalsdammen i Viken, 2021
creators:
1 results
1. Ballot, Andreas
year:
2022
publisher:
Norsk institutt for vannforskning
media_types:
1 results
1. bøker
languages:
1 results
1. nob
county:
not reported by source
digital:
yes
public_domain:
no
license:
copyrighted
viewability:
ALL
access_allowed_from:
EVERYWHERE
thumbnail:
https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000008851_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/0112669f267849258a9a96550e26e6a0
id:
4ac8253b46707a09d7ec66f5a9625968
urn:
URN:NBN:no-nb_pliktmonografi_000002693
title:
Overvåking av Vestvannet og Borredalsdammen i Østfold, 2020
creators:
not reported by source
year:
2021
publisher:
Norsk Institutt For Vannforskning
media_types:
1 results
1. bøker
languages:
1 results
1. nob
county:
not reported by source
digital:
yes
public_domain:
no
license:
copyrighted
viewability:
ALL
access_allowed_from:
EVERYWHERE
thumbnail:
https://www.nb.no/services/image/resolver/URN:NBN:no-nb_pliktmonografi_000002693_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/4ac8253b46707a09d7ec66f5a9625968
id:
03b4bf98f58062bc519ecd0fe26a0f8b
urn:
URN:NBN:no-nb_pliktmonografi_000040039
title:
Øra industriområde: Industriell symbiose og klimapåvirkning 2021
creators:
3 results
1. Raadal, Hanne Lerche
2. Askham, Cecilia
3. Callewaert, Pieter
year:
2024
publisher:
Norsus AS
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_pliktmonografi_000040039_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/03b4bf98f58062bc519ecd0fe26a0f8b
id:
c96a3faca78d69d1060ce8e9cc835470
urn:
URN:NBN:no-nb_digibok_2014032605018
title:
Overvåking av Vestvannet og Borredalsdammen i Østfold, 2009
creators:
1 results
1. Lindholm, Markus
year:
2010
publisher:
Norsk institutt for vannforskning
media_types:
1 results
1. bøker
languages:
1 results
1. nob
county:
not reported by source
digital:
yes
public_domain:
no
license:
copyrighted
viewability:
ALL
access_allowed_from:
EVERYWHERE
thumbnail:
https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2014032605018_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/c96a3faca78d69d1060ce8e9cc835470
id:
b6d8ee2de7a3af735bf916e49deeb2d5
urn:
URN:NBN:6615-2014_72dpi.pdf
title:
Overvåking av Vestvannet og Borredalsdammen i Østfold, 2013
creators:
1 results
1. Hagman, Camilla Hedlund Corneliussen
year:
2014
publisher:
Norsk institutt for vannforskning
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_digiebok_7806_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/b6d8ee2de7a3af735bf916e49deeb2d5
id:
577a1f4a216f9eb21c7b3595db182038
urn:
URN:NBN:no-nb_digiebok_637
title:
Overvåking av Vestvannet og Borredalsdammen i Østfold, 2012
creators:
1 results
1. Hagman, Camilla Hedlund Corneliussen
year:
2012
publisher:
Norsk institutt for vannforskning
media_types:
1 results
1. bøker
languages:
1 results
1. nob
county:
not reported by source
digital:
yes
public_domain:
no
license:
copyrighted
viewability:
ALL
access_allowed_from:
EVERYWHERE
thumbnail:
https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digiebok_637_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/577a1f4a216f9eb21c7b3595db182038

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.