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 2026-10-04T17:21:54Z in 0.273 seconds.

total:

2840

page:

size:

items:

10 results

id:
4d4049e499445674533aa21f4039e24e
urn:
URN:NBN:no-nb_digibok_2025070206126
title:
Disc herniation, inflammatory mediators and lumbar radicular pain
creators:
1 results
1. Moen, Aurora Lie
year:
2017
publisher:
University of Oslo, Faculty of Mathematics and Natural Sciences, Department of Biosciences
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_digibok_2025070206126_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/4d4049e499445674533aa21f4039e24e
id:
cc71ec1893cb5602f06f1015a093e85e
urn:
URN:NBN:no-nb_digibok_2025072506065
title:
Genetic variability and persistent low back and lumbar radicular pain
creators:
3 results
1. Bjorland, Siri
2. Universitetet i Oslo Det medisinske fakultet
3. Universitetet i Oslo Institutt for klinisk medisin
year:
2019
publisher:
University of Oslo, Faculty of Medicine, Institute of Clinical Medicine
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_digibok_2025072506065_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/cc71ec1893cb5602f06f1015a093e85e
id:
865b104cb2fd4b8d107ef0bda953cdad
urn:
URN:NBN:no-nb_digibok_2024110648066
title:
Physical function in patients with degenerative lumbar spinal stenosis
creators:
3 results
1. Thornes, Elisabeth
2. Universitetet i Oslo Institutt for helse og samfunn
3. Universitetet i Oslo Det medisinske fakultet
year:
2020
publisher:
University of Oslo, Faculty of Medicine, Institute of Health and Society
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_digibok_2024110648066_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/865b104cb2fd4b8d107ef0bda953cdad
id:
c7af47c21a190e6bb82805473e4db1fc
urn:
URN:NBN:no-nb_digibok_2020071048004
title:
Surgical treatment and clinical outcomes in lumbar degenerative spondylolisthesis
creators:
2 results
1. Austevoll, Ivar Magne
2. Universitetet i Bergen Klinisk institutt 1
year:
2020
publisher:
University of Bergen
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_digibok_2020071048004_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/c7af47c21a190e6bb82805473e4db1fc
id:
a39ce855c5d07925631ebef30790c3f5
urn:
URN:NBN:no-nb_digibok_2008021100015
title:
Percutaneous automated nucleotomy and imaging with CT, MRand diskography in lumbar disk herniation
creators:
1 results
1. Dullerud, Reidar
year:
1995
publisher:
Department of Radiology, Section of Neuroradiology, Ullevål University Hospital
media_types:
1 results
1. bøker
languages:
1 results
1. eng
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_2008021100015_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/a39ce855c5d07925631ebef30790c3f5
id:
5758f24ff6b3746744a73268c8404049
urn:
URN:NBN:no-nb_digibok_2008073104098
title:
Continuous lumbar epidural analgesia in labour : clinical, endocrine and metabolic aspects
creators:
1 results
1. Maltau, Jan Martin
year:
1980
publisher:
[Forfatteren]
media_types:
1 results
1. bøker
languages:
1 results
1. eng
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_2008073104098_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/5758f24ff6b3746744a73268c8404049
id:
f2b3e6068a9a3bb515b702afad964cf8
urn:
URN:NBN:no-nb_digibok_2008072800078
title:
Nerve root and peripheral nerve compression : a clinical study with emphasis on lumbar radiculopathy
creators:
1 results
1. Nygaard, Øystein P.
year:
1997
publisher:
Departments of Neurology and Neurosurgery, Institute of Clinical Medicine, University of Tromsø
media_types:
1 results
1. bøker
languages:
3 results
1. eng
2. nob
3. mul
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_2008072800078_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/f2b3e6068a9a3bb515b702afad964cf8
id:
cc12cec0da331112566856822733cc1e
urn:
URN:NBN:no-nb_pliktmonografi_000034768
title:
MRI findings in lumbar spinal stenosis : reliability and association to clinical features
creators:
1 results
1. Banitalebi, Hasan
year:
2024
publisher:
Institute of Clinical Medicine, Faculty of Medicine, University of Oslo
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_000034768_0001/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/cc12cec0da331112566856822733cc1e
id:
098f7013b209c10a5d5e690d2f2c1bb7
urn:
URN:NBN:no-nb_digibok_2008100700004
title:
A study of post-lumbar puncture headache : clinical characteristics and predisposing factors
creators:
1 results
1. Vilming, Steinar T.
year:
1999
publisher:
University of Oslo
media_types:
1 results
1. bøker
languages:
1 results
1. eng
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_2008100700004_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/098f7013b209c10a5d5e690d2f2c1bb7
id:
226e5eec209223c7bf5d56aa5f4e08fd
urn:
URN:NBN:no-nb_digibok_2025102306036
title:
Symptomatic lumbar disc herniation treated in hospitals : prognosis of unfavourable surgical events and persistent leg-pain
creators:
3 results
1. Fjeld, Olaf R.
2. Universitetet i Oslo Det medisinske fakultet
3. Universitetet i Oslo Institutt for klinisk medisin
year:
2021
publisher:
Institute of Clinical Medicine, Faculty of Medicine, University of Oslo
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_digibok_2025102306036_C1/full/0,128/0/native.jpg
viewer_url:
https://www.nb.no/items/226e5eec209223c7bf5d56aa5f4e08fd

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.