As of December 2019, includes 204, 760 dissertations. Among the dissertations received by the NDL between 1991-2000, the NDL digitized the ones whose author granted the permission. Also contains the doctoral dissertations in digital format for which degrees were conferred in or after April 2013.
Also refer to 「国内博士論文」調べ方案内 in the NDL's Research Navi for further details about using the database and more.
Updated: 12/5/2019
Can search all dissertations granted by Japanese academic institutions including those open through institutional repositories and those held by the National Diet Library.
Searchable and browsable database of dissertations and theses from around the world, spanning from 1743 to the present day. It also offers full text for graduate works added since 1997, along with selected full text for works written prior to 1997. It contains a significant amount of new international dissertations and theses both in citations and in full text. Designated as an official offsite repository for the U.S. Library of Congress, PQDT Global offers comprehensive historic and ongoing coverage for North American works and significant and growing international coverage from a multiyear program of expanding partnerships with international universities and national associations.