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: one of: date, date,desc, title, title,desc, otherid, otherid,desc, firstDigitalContentTime, firstDigitalContentTime,desc, 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: one of: date, date,desc, title, title,desc, otherid, otherid,desc, firstDigitalContentTime, firstDigitalContentTime,desc. One of date, title, otherid, firstDigitalContentTime, optionally suffixed ",desc" (default: relevance).

Result

Source: National Library of Norway. Retrieved 2026-11-05T20:07:36Z in 0.223 seconds.

total:
18381
page:
0
size:
25
items:

25 results

  1. id:
    843b300bd10d6f45e4af28016ca34c9c
    urn:
    URN:NBN:no-nb_digibok_2024031548037
    title:
    Northern travel : summer and winter pictures : Sweden, Denmark and Lapland
    creators:

    1 results

    1. Taylor, Bayard
    year:
    1864
    publisher:
    Putnam
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    not reported by source
    digital:
    yes
    public_domain:
    yes
    license:
    publicdomain
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2024031548037_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/843b300bd10d6f45e4af28016ca34c9c
  2. id:
    5096da718a96bfe3d8efb439fdb10d00
    urn:
    URN:NBN:no-nb_digibok_2008110604065
    title:
    Bootstrapping unit root tests
    creators:

    1 results

    1. Swensen, Anders Rygh
    year:
    2000
    publisher:
    Matematisk institutt, Universitetet i 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_2008110604065_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/5096da718a96bfe3d8efb439fdb10d00
  3. id:
    b92dbca34405fd223321a43631c810e3
    urn:
    URN:NBN:no-nb_digibok_2010021600095
    title:
    Att studera arbetets förändring under kapitalismen : Ure och Taylor i pedagogiskt perspektiv
    creators:

    1 results

    1. Theliander, Jan
    year:
    1999
    publisher:
    Acta Universitatis Gothoburgensis
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. swe
    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_2010021600095_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b92dbca34405fd223321a43631c810e3
  4. id:
    16d06dde9d26120150a0d478425ebb95
    urn:
    URN:NBN:no-nb_digibok_2025081506052
    title:
    Root-associated microbes : spatial oddities and methodological perspectives
    creators:

    1 results

    1. Aas, Anders Bjørnsgaard
    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_2025081506052_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/16d06dde9d26120150a0d478425ebb95
  5. id:
    8bd6c6ebdcea04777c2108e3dba3d68e
    urn:
    URN:NBN:no-nb_digibok_2016012106029
    title:
    Radiopacity of root filling materials with reference to in vitro obturation and leakage
    creators:

    1 results

    1. Beyer-Olsen, Eva Margrete
    year:
    1983
    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_2016012106029_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/8bd6c6ebdcea04777c2108e3dba3d68e
  6. id:
    b454e5d673c600231e9ef2d27ad84954
    urn:
    URN:NBN:no-nb_digibok_2023032348069
    title:
    Antarctic adventure and research
    creators:

    1 results

    1. Taylor, Griffith
    year:
    1930
    publisher:
    D. Appleton
    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_2023032348069_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/b454e5d673c600231e9ef2d27ad84954
  7. id:
    816c91442af4999622ac0a95b6132e27
    urn:
    URN:NBN:no-nb_digibok_2025082806221
    title:
    Functional versatility and diversity in the plant root mycobiome
    creators:

    1 results

    1. Thoen, Ella
    year:
    2015
    publisher:
    Department of Biosciences, Faculty of Mathematics and Natural Sciences, 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_2025082806221_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/816c91442af4999622ac0a95b6132e27
  8. id:
    73e4ce80a2f5b2be20d73129c2ca736c
    urn:
    URN:NBN:no-nb_digibok_2024112648095
    title:
    Biodiversity in the dark : root-associated fungi in the Arctic
    creators:

    1 results

    1. Botnen, Synnøve Smebye
    year:
    2020
    publisher:
    Department of Biosciences, Faculty of Mathematics and Natural Sciences, 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_2024112648095_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/73e4ce80a2f5b2be20d73129c2ca736c
  9. id:
    c5e4540ef956a5e267de2f4f03a25bde
    urn:
    URN:NBN:no-nb_digibok_2026010548057
    title:
    Healthcare professionals' experience with root cause analysis: A case study
    creators:

    1 results

    1. Liepelt, Silje
    year:
    2025
    publisher:
    NTNU
    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_2026010548057_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c5e4540ef956a5e267de2f4f03a25bde
  10. id:
    86afe241164e2b31a7830f2d16f3dbd3
    urn:
    URN:NBN:no-nb_digibok_2018050348073
    title:
    Peptides and epigenetics, novel perspectives in root development in Arabidopsis thaliana
    creators:

    1 results

    1. Kumpf, Robert Peter
    year:
    2012
    publisher:
    Department of Molecular Biosciences, Faculty of Mathematics and Natural Sciences, 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_2018050348073_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/86afe241164e2b31a7830f2d16f3dbd3
  11. id:
    44698a4cdad859ded0815549ecdfd469
    urn:
    URN:NBN:no-nb_digibok_2020060348512
    title:
    Modern America : developments in contemporary American society
    creators:

    2 results

    1. Mustad, Erik
    2. Taylor, Sean
    year:
    2017
    publisher:
    Gyldendal akademisk
    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_2020060348512_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/44698a4cdad859ded0815549ecdfd469
  12. id:
    0cdc96da4b57b1d12b33951a507d782a
    urn:
    URN:NBN:no-nb_digibok_2020092207760
    title:
    Uventet vennskap
    creators:

    2 results

    1. Monninger, Joseph
    2. Taylor, Jeanette
    year:
    2016
    publisher:
    GIRL:IT
    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_2020092207760_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/0cdc96da4b57b1d12b33951a507d782a
  13. id:
    2d34520cd0d198958ef18d111fdbe1ed
    urn:
    URN:NBN:no-nb_digibok_2016091408001
    title:
    Netsilik Eskimo material culture : the Roald Amundsen Collection from King William Island
    creators:

    2 results

    1. Taylor, J. Garth
    2. Amundsen, Roald
    year:
    1974
    publisher:
    Universitetsforlaget
    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_2016091408001_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/2d34520cd0d198958ef18d111fdbe1ed
  14. id:
    26f3fcc579b916127643aa65eaeef352
    urn:
    URN:NBN:no-nb_digibok_2015022324003
    title:
    The history and antiquities of Harwich and Dovercourt : topographical, dynastical and political
    creators:

    1 results

    1. Taylor, Silas
    year:
    1730
    publisher:
    Printed for C. Davis, and T. Green
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    county:
    Utlandet
    digital:
    yes
    public_domain:
    yes
    license:
    publicdomain
    viewability:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2015022324003_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/26f3fcc579b916127643aa65eaeef352
  15. id:
    85d3f90eed10cf012db14a84ee169e30
    urn:
    URN:NBN:no-nb_digibok_2016082208143
    title:
    In search of strategy : an agenda for applied research on transitions from conflict
    creators:

    2 results

    1. Taylor, Mark B.
    2. Jennings, Kathleen
    year:
    2004
    publisher:
    Fafo
    media_types:

    1 results

    1. bøker
    languages:

    1 results

    1. eng
    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_digibok_2016082208143_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/85d3f90eed10cf012db14a84ee169e30
  16. id:
    c4f36189b35e5db652d1c4d7e5845eca
    urn:
    URN:NBN:no-nb_digibok_2008010304074
    title:
    Interactions in actinorhizal symbioses : I. Root hair deformation factor(s) produced by Frankia strain ArI3 : II. Expression of sucrose synthase and enolase in root nodules of Alnus glutinosa (L) Gaertn
    creators:

    1 results

    1. Ghelue, Marijke Van
    year:
    1994
    publisher:
    Department of Plant Physiology and Microbiology, Institute of Biology and Geology, University of Tromsø
    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_2008010304074_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c4f36189b35e5db652d1c4d7e5845eca
  17. id:
    79aae16e73f7cc81197e74273a903d33
    urn:
    URN:NBN:no-nb_digibok_2016062208130
    title:
    On the behaviour of the secant method near a multiple root / by T. O. Espelid
    creators:

    1 results

    1. Espelid, Terje O.
    year:
    1972
    publisher:
    not reported by source
    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_2016062208130_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/79aae16e73f7cc81197e74273a903d33
  18. id:
    f422cc5756f6a5a8cce102963f41f3e0
    urn:
    URN:NBN:no-nb_digibok_2009021104019
    title:
    Movement ecology of root voles in patchy habitats : from individual behaviour to population spatiotemporal dynamics
    creators:

    1 results

    1. Andreassen, Harry P.
    year:
    2000
    publisher:
    Department of Biology, Faculty of Mathematics and Natural Sciences, 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:
    ALL
    access_allowed_from:
    EVERYWHERE
    thumbnail:
    https://www.nb.no/services/image/resolver/URN:NBN:no-nb_digibok_2009021104019_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/f422cc5756f6a5a8cce102963f41f3e0
  19. id:
    c7ba762e868e00d2b7479623946f908c
    urn:
    URN:NBN:no-nb_digibok_2023112448027
    title:
    Choosing our future : a practical politics of the environment
    creators:

    2 results

    1. Taylor, Ann
    2. Brundtland, Gro Harlem
    year:
    1992
    publisher:
    Routledge
    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_2023112448027_C1/full/0,128/0/native.jpg
    viewer_url:
    https://www.nb.no/items/c7ba762e868e00d2b7479623946f908c
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    1. Blaalid, Rakel
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    Department of Biology, Faculty of Mathematics and Natural Sciences, University of Oslo
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    1. Eidhammer, Ingvar
    2. Taylor, William R.
    3. Jonassen, Inge
    year:
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    Department of Informatics, University of Bergen
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    1. Priestley, J.B. (John Boynton)
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    1 results

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    3 results

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