Historical E-Resources A-Z

• Centre Virtuel de la Connaissance de l'Europe - CVCE  which contains a multimedia database documenting the history of European integration and enlargement from 1945 to the present day.

• C.E.E.O.L. - Central and Eastern European Online Library  : "C.E.E.O.L. is an online archive which provides access to full text PDF articles from 200 humanities and social science journals, electronic books and re-digitized documents pertaining to Central, Eastern and South-Eastern European topics."

• Compludoc,  Base de Datos de Articulos de Rivistas (Spain)
• Danish Historical Bibliography  - Dansk Historisk Bibliografi, retroscannede udgaver , part of REX, The Royal Library's Online Catalogue, National- and Subject Bibliographies 
• Declassified Documents Reference System (DDRS)  - U.S.A. "This unique reference product involves indexing, abstracting, and capturing on microfiche a large selection of U.S. government documents obtained from presidential libraries. These libraries receive declassified documents from various government agencies, including the White House, the CIA, the FBI, the State Department, and others. As researchers visit these presidential libraries and request documents, the libraries photocopy and provide them to us for filming. The result is a collection of more than 75,000 documents, consisting of more than 465,000 pages, that has literally been built by researchers themselves for nearly two decades...". 
• Diccionario bibliographico portuguez  : volumes 1 a 23 (CDROM n.9 available at the Library entrance desk as part of the Ophir: Biblioteca Virtual dos Descobrimentos Portuguese (Virtual Library of the Portuguese Discoveries)
• Dictionnaire biographique du mouvement ouvrier français  : CD-ROM Maitron / sous la direction de Claude Pennetier
• Dictionnaire d'Histoire et de Géographie Ecclésiastiques 
  Online updated edition of the 30 volume dictionary covering every aspect of the Church's history. ntries are divided in three distinct groups: people, geographic history and the main ecclasiastical institutions. It is complimentary to another Brepolis database, Revue d'histoire ecclésiastique: Bibliographie .

• Digital National Security Archive - DNSA.  DNSA is the most comprehensive set of declassified US government documents available, with 36 collections and over 80,000 documents indexed. Each collection covers the most critical world events, countries, and U.S. policy decisions from post World War II to the present.

• DBNG: Digitale Bibliografie Nederlandse Geschiedenis  "maakt publicaties over de Nederlandse geschiedenis van prehistorie tot heden toegankelijk. Het is de actuele gids voor het werk van geschiedschrijvers. In deze grote verzameling vindt u beschrijvingen van boeken, tijdschriften, artikelen en online publicaties, afkomstig uit verschillende Nederlandse collecties....".
• DIFT - Documents on Irish Foreign Policy  by the Royal Irish Academy [and] Department of Foreign Affairs = Acadamh Ríoga na hÉireann [agus] An Roinn Gnóthaí Eachtracha", 1919-1945, 7 vols.
• Dissertation Abstracts on Disc , Cumulative CDROM discs, 1861-1974, 1975-82, 1983-88, 1989-93, 1994-96, 1997-2000. After 2001 onwards, use Dissertation Express  if you are looking for a known item, searching by author, title, or publication number only.
• DigiZeitschriften  - Backfiles for over 110 scholarly German journals in many disciplines, including the humanities, social sciences, history, librarianship, mathematics, and biological and physical sciences.
• Documentation of literature on the history of East Central Europe  - (Herder-Institut, Marburg) Literaturdokumentation zur Geschichte Ostmitteleuropas - "Systematische Erfassung der Titel ab dem Berichtsjahr 1994. Gegenwärtig werden zunehmend auch ältere Titel erfaßt: zum 01.01.2007 wies die Datenbank 100.000 Titel aus den Berichtsjahren vor 1994".