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 2026-09-25T12:10:46Z in 0.185 seconds.

total:

126

page:

size:

items:

10 results

id:
2b97b61fa1265b17f3322fd1a0813849
urn:
URN:NBN:no-nb_digitidsskrift_2025082080013_003
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. april 2015 Vol. 17 Nr. 3
creators:
not reported by source
year:
2015
publisher:
Estate media
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_2025082080013_003_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/2b97b61fa1265b17f3322fd1a0813849
id:
b2580f1b1ae4b918a7e7f8fdacdfb530
urn:
URN:NBN:no-nb_digitidsskrift_2025082080013_002
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. mars 2015 Vol. 17 Nr. 2
creators:
not reported by source
year:
2015
publisher:
Estate media
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_2025082080013_002_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/b2580f1b1ae4b918a7e7f8fdacdfb530
id:
219b06fa7f71ed931fd1ba4c42f74faf
urn:
URN:NBN:no-nb_digitidsskrift_2025082080013_005
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. juni 2015 Vol. 17 Nr. 5
creators:
not reported by source
year:
2015
publisher:
Estate media
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_2025082080013_005_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/219b06fa7f71ed931fd1ba4c42f74faf
id:
c828884bf01b65f83d95572348df2a5c
urn:
URN:NBN:no-nb_digitidsskrift_2025082080013_004
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. mai 2015 Vol. 17 Nr. 4
creators:
not reported by source
year:
2015
publisher:
Estate media
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_2025082080013_004_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/c828884bf01b65f83d95572348df2a5c
id:
6a948bd878af2ffdddc4ce0f2f8d457d
urn:
URN:NBN:no-nb_digitidsskrift_2025082080012_005
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. oktober 2016 Nr. 5
creators:
not reported by source
year:
2016
publisher:
Estate media
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_2025082080012_005_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/6a948bd878af2ffdddc4ce0f2f8d457d
id:
d7394e5f09d87cee5b9964c03313240e
urn:
URN:NBN:no-nb_digitidsskrift_2025082080013_007
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. oktober 2015 Vol. 17 Nr. 7
creators:
not reported by source
year:
2015
publisher:
Estate media
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_2025082080013_007_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/d7394e5f09d87cee5b9964c03313240e
id:
cf9243769441b0bef757cab74b712a47
urn:
URN:NBN:no-nb_digitidsskrift_2025082080012_001
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. januar 2016 Nr. 1
creators:
not reported by source
year:
2016
publisher:
Estate media
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_2025082080012_001_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/cf9243769441b0bef757cab74b712a47
id:
5c1a86c15bcc6cd834e3755d07af98b3
urn:
URN:NBN:no-nb_digitidsskrift_2025082080013_006
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. september 2015 Vol. 17 Nr. 6
creators:
not reported by source
year:
2015
publisher:
Estate media
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_2025082080013_006_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/5c1a86c15bcc6cd834e3755d07af98b3
id:
7473e46583308bfcb4a619a4db388882
urn:
URN:NBN:no-nb_digitidsskrift_2025082080013_008
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. november 2015 Vol. 17 Nr. 8
creators:
not reported by source
year:
2015
publisher:
Estate media
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_2025082080013_008_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/7473e46583308bfcb4a619a4db388882
id:
478590add11d827844f641be10e21891
urn:
URN:NBN:no-nb_digitidsskrift_2025082080012_004
title:
Estate lokaler : magasinet for deg som leier og søker lokaler. september 2016 Nr. 4
creators:
not reported by source
year:
2016
publisher:
Estate media
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_2025082080012_004_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/478590add11d827844f641be10e21891

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.