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; 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}&limit=25&offset=0

Replace {q}, {media_type}, {language}, {county}, {year_from}, {year_to}, {digital_only}, {sort} 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}&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).
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}&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}&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}&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).

Result

Source: National Library of Norway. Retrieved 2026-11-02T14:08:26Z in 0.305 seconds.

total:
10397
page:
0
size:
25
items:

25 results

  1. id:
    1a72527e0244febeb0d7786d8a49b1c0
    urn:
    URN:NBN:no-nb_digibok_2015070108036
    title:
    Proceedings : 14th Conference on Local Computer Networks, Minneapolis, Minnesota October 10-12, 1989
    creators:

    1 results

    1. Conference on Local Computer Networks
    year:
    1989
    publisher:
    IEEE Computer Society
    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_digibok_2015070108036_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/1a72527e0244febeb0d7786d8a49b1c0
  2. id:
    c9a7d8ac359a92b2695cccb6e36d1ab8
    urn:
    URN:NBN:no-nb_digibok_2018011908004
    title:
    Between contract and partnership : dynamic networks as collaborative contracts and more
    creators:

    1 results

    1. Weitzenboeck, Emily Mary
    year:
    2010
    publisher:
    Faculty of Law, 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_2018011908004_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c9a7d8ac359a92b2695cccb6e36d1ab8
  3. id:
    84d29122ad5a1e9b17882736d931945e
    urn:
    URN:NBN:no-nb_digibok_2009072704135
    title:
    Distributed International Manufacturing Using Existing and Developing Networks : RACE project 1039,DiMUN : Annual review report '90 Part A, section 2
    creators:

    3 results

    1. Distributed International Manufacturing Using Existing andDeveloping Public Networks
    2. Senter for industriforskning
    3. Skjellaug, Bjørn
    year:
    1990
    publisher:
    Senter for industriforskning
    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_2009072704135_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/84d29122ad5a1e9b17882736d931945e
  4. id:
    ffc31e549eac253267cae1b3726021c6
    urn:
    URN:NBN:no-nb_digibok_2009082104040
    title:
    Distributed International Manufacturing Using Existing and Developing Networks : RACE project 1039,DiMUN : Annual review report '90 Part A, section 1
    creators:

    3 results

    1. Distributed International Manufacturing Using Existing andDeveloping Public Networks
    2. Senter for industriforskning
    3. Skjellaug, Bjørn
    year:
    1990
    publisher:
    Senter for industriforskning
    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_2009082104040_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/ffc31e549eac253267cae1b3726021c6
  5. id:
    ceefbc5a58ce01ec4f6e271d85c5b085
    urn:
    URN:NBN:no-nb_digibok_2009011900087
    title:
    Performance measurements in packet-switched networks : application to IP networks
    creators:

    1 results

    1. Viken, Brynjar Åge
    year:
    2002
    publisher:
    Norwegian University of Science and Techology, Departmentof Telematics
    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_2009011900087_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/ceefbc5a58ce01ec4f6e271d85c5b085
  6. id:
    58391c64393643f000d1300fb1a6aae3
    urn:
    URN:NBN:no-nb_digibok_2012110805003
    title:
    Generalized shuffle-exchange networks
    creators:

    1 results

    1. Munthe-Kaas, Hans
    year:
    1992
    publisher:
    Department of Informatics, 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:
    bokhylla
    viewability:
    NONE
    access_allowed_from:
    NORWAY
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2012110805003_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/58391c64393643f000d1300fb1a6aae3
  7. id:
    4ea1ef7a420191053376714f538eebaf
    urn:
    URN:NBN:no-nb_digibok_2018041748019
    title:
    Topology of fracture networks
    creators:

    1 results

    1. Hope, Sigmund Mongstad
    year:
    2015
    publisher:
    Norwegian University of Science and Technology, Faculty of Natural Sciences and Technology, Department of Physics
    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_2018041748019_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/4ea1ef7a420191053376714f538eebaf
  8. id:
    ed8b2f2250040daa89f14d15e86998fc
    urn:
    URN:NBN:no-nb_pliktmonografi_000012330
    title:
    Urbânia 6 : public as Mutual
    creators:

    8 results

    1. Kunsch, Graziela
    2. Durante, Milena
    3. Guimarães, Daniel
    4. Lafuente, Pablo
    5. Bennett, Dominique Makins
    6. Ayer, Mauricio
    7. Mahfuz, Roberta
    8. Adams, Gavin
    year:
    2021
    publisher:
    Oslobiennalen
    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_000012330_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/ed8b2f2250040daa89f14d15e86998fc
  9. id:
    c3709afbaf794ce731a916158776429e
    urn:
    URN:NBN:no-nb_pliktmonografi_000042761
    title:
    Resilient networks for critical services
    creators:

    1 results

    1. Evang, Jan Marius
    year:
    2024
    publisher:
    Faculty of Technology, Art and Design, OsloMet - Oslo Metropolitan University
    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_000042761_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c3709afbaf794ce731a916158776429e
  10. id:
    3364eb43260efb083d82a2b1269e0245
    urn:
    URN:NBN:no-nb_pliktmonografi_000026560
    title:
    On caching in military networks
    creators:

    4 results

    1. Johnsen, Frank Trethan
    2. Lund, Ketil
    3. Forsvarets forskningsinstitutt
    4. Bloebaum, Trude H.
    year:
    2014
    publisher:
    Norwegian Defence Research Establishment (FFI)
    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_000026560_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/3364eb43260efb083d82a2b1269e0245
  11. id:
    2fd1b385b3a6305bd022be4b3f8ce956
    urn:
    URN:NBN:no-nb_digibok_2009070101022
    title:
    Resource handling in IP networks
    creators:

    1 results

    1. Svinnset, Inge
    year:
    2001
    publisher:
    Telenor forskning og utvikling
    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_2009070101022_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/2fd1b385b3a6305bd022be4b3f8ce956
  12. id:
    080ca0970eef795b90d99c63ccb30cce
    urn:
    URN:NBN:no-nb_pliktmonografi_000023633
    title:
    Ad hoc networks used in emergency networks : the Trust Metric Routing approach
    creators:

    3 results

    1. Winjum, Eli
    2. Kure, Øivind
    3. Spilling, Pål
    year:
    2006
    publisher:
    Forsvarets forskningsinstitutt
    media_types:

    1 results

    1. bøker
    languages:

    2 results

    1. eng
    2. 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_000023633_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/080ca0970eef795b90d99c63ccb30cce
  13. id:
    03b8df1f146f760eba06a1723f9b678d
    urn:
    URN:NBN:no-nb_digibok_2017102605028
    title:
    Unsupervised learning in neural networks
    creators:

    2 results

    1. Günhan, Atilla E.
    2. Csernai, László P.
    year:
    1989
    publisher:
    not reported by source
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. und
    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_2017102605028_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/03b8df1f146f760eba06a1723f9b678d
  14. id:
    cdc67c32372ad33b79784ce4fef1b2b9
    urn:
    URN:NBN:no-nb_digibok_2021100606043
    title:
    PONG : the ELCOM net-watch procedure for TCP/IP networks
    creators:

    2 results

    1. Stene, Birger
    2. ELCOM Working Group
    year:
    2003
    publisher:
    SINTEF Energiforskning
    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_2021100606043_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/cdc67c32372ad33b79784ce4fef1b2b9
  15. id:
    2d4b604418ae48f1423bc17de37beec5
    urn:
    URN:NBN:no-nb_digibok_2010030204044
    title:
    SCI for local area networks
    creators:

    2 results

    1. Ryan, Stein Jørgen
    2. Bryhni, Haakon
    year:
    1998
    publisher:
    Department of Informatics, 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_2010030204044_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/2d4b604418ae48f1423bc17de37beec5
  16. id:
    bbc648626cfb1a6f2021076775cbb850
    urn:
    URN:NBN:no-nb_digibok_2010051806055
    title:
    The MOS transistor as the basic building block for analog VLSI implementation of neural networks
    creators:

    1 results

    1. Vermesan, Ovidiu
    year:
    1994
    publisher:
    University of Bergen, Department of Physics
    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_2010051806055_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/bbc648626cfb1a6f2021076775cbb850
  17. id:
    a7a02690b569b1f0c39c655b22d98da7
    urn:
    URN:NBN:no-nb_digibok_2025081806161
    title:
    On reliability in mobile broadband networks
    creators:

    1 results

    1. Baltrūnas, Džiugas
    year:
    2017
    publisher:
    University of Oslo, Faculty of Mathematics and Natural Sciences, Department of Informatics
    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_2025081806161_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/a7a02690b569b1f0c39c655b22d98da7
  18. id:
    9e146a080f830dd9cb6c089c64951167
    urn:
    URN:NBN:no-nb_pliktmonografi_000026361
    title:
    Group communication in mobile military networks
    creators:

    3 results

    1. Brose, Margrete Allern
    2. Forsvarets forskningsinstitutt
    3. Hauge, Mariann
    year:
    2012
    publisher:
    Forsvarets forskningsinstitutt (FFI)
    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_000026361_0001/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/9e146a080f830dd9cb6c089c64951167
  19. id:
    83c0d4df29b79ab7cfafa09fc55fa8df
    urn:
    URN:NBN:no-nb_pliktmonografi_000025654
    title:
    Information exchange in heterogeneous military networks
    creators:

    5 results

    1. Bloebaum, Trude H.
    2. Busch, James
    3. Skjervold, Espen
    4. Schenkels, Léon
    5. Eggen, Anders
    year:
    2009
    publisher:
    Forsvarets forskningsinstitutt/Norwegian Defence Research Establishment (FFI)
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
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