||The Daoist Studies website is a portal designed to assist researchers and scholars of Daoism, practitioners, and interested members of the public in furthering knowledge about Daoism. It is not affiliated with, nor does it represent any religious institution. The website features an extensive bibliography of secondary sources as well as links to collections of Daoist texts including the an index to the Daozang 道臧 and PDF facsimiles of the Zangwai Daoshu 臧外道書 and other e-texts.
|DART-Europe Theses/Dissertations Portal
||Provides access to access research theses from universities in European countries across all disciplines.
|Database of Military Inscriptions and Papyri of Early Roman Palestine
||This site is designed to aid the study of the military in the early Roman period for those interested in Judaism and Christianity of the first few centuries CE. This website is still under construction, but has basic functionality at this point.
|Digital Catholica Collection
||This project from Villanova University plans to make available digital content of Catholic materials including books, journals, papers, and manuscripts dealing with the Roman Catholic church in general, and in particular works created or published in the Americas. This collection is particularly helpful for the study of Catholicism in America.
|Digital Public Library of America
||The Digital Public Library of America brings together the riches of America’s libraries, archives, and museums, and makes them freely available to the world. It strives to contain the full breadth of human expression, from the written word, to works of art and culture, to records of America’s heritage, to the efforts and data of science.
|Digital Vatican Library
||DigiVatLib is a digital library service. It provides free access to the Vatican Library’s digitized collections: manuscripts, incunabula, archival materials and inventories as well as graphic materials, coins and medals, printed materials (special projects).
|Directory of Open Access Books
||This database provides full text access to recently published scholarly books and book chapters in several disciplines.
|Directory of Open Access Journals
||DOAJ is an online directory that indexes and provides access to thousands of high quality, open access, peer-reviewed journals.
|Directory of Open Access Repositories
||This site, run by the University of Nottingham (U.K.), aggregates databases from around the world, locating open access research across disciplines.