Database List

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  • CiNii DissertationsRemoteAccessFree

    Limit on Number of Users:Unlimited1923~

    CiNii Dissertations is a service that allows you to search for information on doctoral dissertations awarded by domestic universities and the National Institute of Evaluation and Academic Degrees.

    You can search universally about doctoral dissertations published at repositories of academic institutions such as domestic universities and doctoral dissertations held by the National Diet Library. Everyone can use without using registration.

    User Guide

    Limit on Number of Users:Unlimited1987-Current
    Instructions for use
    In the National Diet Library catalog search, doctoral theses that were received by the library from Japan and overseas can be searched. As for doctoral theses written in Japan, only those received in 1984 and onwards are available.Theses from overseas are mainly related to the fields of science and technology.

    *In order to search for only doctoral theses, click "Use only search function. (Guest Login)" -> "Advanced Search" and check only the box of "Doctoral Dissertations"
  • National Diet Library Digital CollectionsLimited Access
    [Humanities, Social Sciences]Newspapers, Dissertations,

    Limit on Number of Users:1Humanities, Social Sciences


    • インターネット公開: インターネットでどこからでも閲覧可能です。
    • 国立国会図書館/図書館送信資料: 図書館向けデジタル化資料送信サービスを通して閲覧可能です。
    • 国立国会図書館内限定: 国立国会図書館の施設内(東京本館、関西館、国際子ども図書館)でのみ閲覧できる資料です。


  • American Doctoral Dissertations, 1933-1955RemoteAccessFree

    Limit on Number of Users:Unlimited1933-1955

    This database provides access to the only comprehensive record of dissertations accepted by American universities during that time period, the print index Doctoral Dissertations Accepted by American Universities. Containing nearly 100,000 citations, American Doctoral Dissertations, 1933-1955, provides full page images of the original print index, and may be searched by author, title, subject and university.

  • ProQuest Dissertations & Theses A&IRemoteAccess FullText

    Limit on Number of Users:Unlimited1861-Current
    This database contains more than 1.6 million doctoral and master's theses from more than 1,000 universities throughout the world. The first 24 pages can be viewed in PDF format for free since 1997(there are some exceptions).
    Users' manual is here.