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 2026-09-26T23:23:44Z in 0.195 seconds.

total:

1299427

page:

size:

items:

10 results

id:
8ff7cb49aff8103dbd283528c1ef3d64
urn:
URN:NBN:no-nb_digibok_2009030900048
title:
Midt-Telemark kraftlag : 50 år i kraftforsyningas tjeneste
creators:
1 results
1. Midt-Telemark kraftlag
year:
1998
publisher:
Midt-Telemark kraftlag
media_types:
1 results
1. bøker
languages:
1 results
1. nob
county:
Telemark
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_2009030900048_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/8ff7cb49aff8103dbd283528c1ef3d64
id:
b86113e3a26a29ee50beda379a03fd2c
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19721110_1_37_1
title:
Midt-Telemark
creators:
not reported by source
year:
19721110
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19721110_1_37_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/b86113e3a26a29ee50beda379a03fd2c
id:
428e98390514333dd3e078252042bcce
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19740111_3_2_1
title:
Midt-Telemark
creators:
not reported by source
year:
19740111
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19740111_3_2_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/428e98390514333dd3e078252042bcce
id:
c72ea233e7d8e1bd261b66acf13101c6
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19730810_2_38_1
title:
Midt-Telemark
creators:
not reported by source
year:
19730810
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19730810_2_38_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/c72ea233e7d8e1bd261b66acf13101c6
id:
f854f83d4797797f0dfb3da780536380
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19730330_2_24_1
title:
Midt-Telemark
creators:
not reported by source
year:
19730330
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19730330_2_24_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/f854f83d4797797f0dfb3da780536380
id:
196e946a85dc13957c9fe60c3c40919c
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19730112_2_3_1
title:
Midt-Telemark
creators:
not reported by source
year:
19730112
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19730112_2_3_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/196e946a85dc13957c9fe60c3c40919c
id:
6ad260c6149d6d8912eb95b3d7c7440d
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19730921_2_44_1
title:
Midt-Telemark
creators:
not reported by source
year:
19730921
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19730921_2_44_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/6ad260c6149d6d8912eb95b3d7c7440d
id:
cfa2ca55cf0ec0b7cfbfea1623c606bd
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19740621_3_24_1
title:
Midt-Telemark
creators:
not reported by source
year:
19740621
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19740621_3_24_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/cfa2ca55cf0ec0b7cfbfea1623c606bd
id:
4ecb42e79c3d1b39f526e4df002d027e
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19740705_3_26_1
title:
Midt-Telemark
creators:
not reported by source
year:
19740705
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19740705_3_26_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/4ecb42e79c3d1b39f526e4df002d027e
id:
f228a62951689538b8e5c675f89ef669
urn:
URN:NBN:no-nb_digavis_midttelemark_null_null_19730817_2_39_1
title:
Midt-Telemark
creators:
not reported by source
year:
19730817
publisher:
not reported by source
media_types:
1 results
1. aviser
languages:
1 results
1. Norsk bokmål
county:
Telemark
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_midttelemark_null_null_19730817_2_39_1-1_001_null/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/f228a62951689538b8e5c675f89ef669

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.