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.

ParameterRequirementJSON typeDescription
qrequiredstringFree-text query. Supports field-restricted terms too, e.g. "subject:fiske year:1970" combined with free text.
media_typeoptionalunionRestrict 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.
languageoptionalunionLanguage 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.
countyoptionalunionNorwegian county name, e.g. "Troms", "Oslo".
year_fromoptionalunionRestrict to items published/issued in this year range (inclusive).
year_tooptionalunionRestrict to items published/issued in this year range (inclusive).
digital_onlyoptionalbooleanOnly items that have been digitized.
sortoptionalunionOne of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).
pageoptionalintegerZero-based page index.
sizeoptionalintegerResults per page, 1 to 100 (default 10).
limitoptionalintegerGateway page size; default 25, maximum 100.
offsetoptionalintegerNumber 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.

Type: string. Free-text query. Supports field-restricted terms too, e.g. "subject:fiske year:1970" combined with free text.
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.
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.
Type: string. Norwegian county name, e.g. "Troms", "Oslo".
Type: integer. Restrict to items published/issued in this year range (inclusive).
Type: integer. Restrict to items published/issued in this year range (inclusive).
Type: yes/no. Only items that have been digitized.
Type: string. One of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).
Type: integer. Zero-based page index.
Type: integer. Results per page, 1 to 100 (default 10).

Result

Source: National Library of Norway. Retrieved 2026-10-15T10:01:37Z in 1.588 seconds.

total:
2845
page:
0
size:
25
items:

25 results

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. id:
    2067c8e658c3908313f1d859f3f4d364
    urn:
    URN:NBN:no-nb_digibok_2008070800033
    title:
    Lumbar disc herniation : a prospective study of prognostic factors including a controlled trial
    creators:

    1 results

    1. Weber, Henrik
    year:
    1978
    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_2008070800033_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/2067c8e658c3908313f1d859f3f4d364
  12. id:
    e54f33a78204e7c6198f518846c3e7c3
    urn:
    URN:NBN:no-nb_digibok_2025112806025
    title:
    Lumbar radicular pain and disc herniation : genetic factors, pathophysiological mechanisms and pain assessments
    creators:

    1 results

    1. Hasvik, Eivind
    year:
    2019
    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_2025112806025_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/e54f33a78204e7c6198f518846c3e7c3
  13. id:
    72df6344abb9be46b47ef4c34fb70c69
    urn:
    URN:NBN:no-nb_digibok_2026032006104
    title:
    Clinical and radiological results after three different posterior decompression techniques for lumbar spinal stenosis
    creators:

    1 results

    1. Hermansen, Erland
    year:
    2018
    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_2026032006104_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/72df6344abb9be46b47ef4c34fb70c69
  14. id:
    b967e41bcb3cdc3a3897f94f8ece7e91
    urn:
    URN:NBN:no-nb_digibok_2016090848069
    title:
    Rupture of lumbar discs with intraspinal protrusion of the nucleus pulposus : a clinical study
    creators:

    1 results

    1. Røvig, Gunnar
    year:
    1949
    publisher:
    Fabritius
    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_2016090848069_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b967e41bcb3cdc3a3897f94f8ece7e91
  15. id:
    37a7dbaac03b19239168aba5e482f3fd
    urn:
    URN:NBN:no-nb_digibok_2013081506093
    title:
    Functional organization of reticulospinal inputs to defined neuronal populations in the lumbar spinal cord
    creators:

    2 results

    1. Szokol, Karolina
    2. Universitetet i Oslo Det medisinske fakultet
    year:
    2009
    publisher:
    Unipub
    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_2013081506093_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/37a7dbaac03b19239168aba5e482f3fd
  16. id:
    8c3a36d941b8fa122e46ef41f617f673
    urn:
    not reported by source
    title:
    Pain in the distribution-area of the 4:th lumbar root : a study of pain interpreted as referred pain and as caused by direct irritation of the nerve-root
    creators:

    1 results

    1. Reis, Gösta von
    year:
    1945
    publisher:
    [I. Hoeggströms boktryckeri a. b.]
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    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/8c3a36d941b8fa122e46ef41f617f673
  17. id:
    432e01d40783d40c4230a3dc9c88ade3
    urn:
    URN:NBN:no-nb_digibok_2025011048051
    title:
    A study on MRI findings and outcome in lumbar spinal stenosis patients from the NORDSTEN cohort
    creators:

    1 results

    1. Aaen, Jørn
    year:
    2024
    publisher:
    Norwegian University of Science and Technology
    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_2025011048051_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/432e01d40783d40c4230a3dc9c88ade3
  18. id:
    dbbc51a293d9dc14210b5859058f11cb
    urn:
    URN:NBN:no-nb_digibok_2024020848012
    title:
    Surgery for lumbar disc herniation : observational studies based on data from the Norwegian Registry for Spine Surgery
    creators:

    3 results

    1. Madsbu, Mattis Aleksander
    2. Norges teknisk-naturvitenskapelige universitet
    3. Norges teknisk-naturvitenskapelige universitet Institutt for nevromedisin og bevegelsesvitenskap
    year:
    2022
    publisher:
    Norwegian University of Science and Technology, Faculty of Medicine and Health Sciences, Department of Neuromedicine and Movement Science
    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_2024020848012_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/dbbc51a293d9dc14210b5859058f11cb
  19. id:
    96aca2870c18e4ff38ac01cadf8d2d14
    urn:
    URN:NBN:no-nb_digibok_2018042548272
    title:
    Surgical treatment of lumbar spinal stenosis : x-stop vs minimally invasive decompression : image assessment, treatment effects and health economic evaluations
    creators:

    1 results

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