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For complete lists of research tools, see Research Tools by Subject

Derwent Innovations Index

Index

Coverage: 1963-present (patents); 1973-present (patent citations)

Database of information on international patents in chemical, electrical and electronic, and mechanical engineering. Allows for patent citation searching.


Dictionary of African Biography

Full-Text, Reference

Biographical information on the men and women who shaped Africa's history from earliest times to the present.


Dictionary of Caribbean and Afro–Latin American Biography

Full-Text, Reference

Information on the lives of Caribbeans and Afro-Latin Americans who are historically significant. Covers the entire Caribbean, and the Afro-descended populations throughout Latin America, including people who spoke and wrote Creole, Dutch, English, French, Portuguese, and Spanish.


Dictionary of Irish Biography

Full-Text, Reference

Biographical dictionary covering the "lives of Irish men and women who made a significant contribution in Ireland and abroad, as well as those born overseas who had noteworthy careers in Ireland."


Dictionary of Medieval Latin from British Sources

Reference

Searchable dictionary of Medieval Latin vocabulary, focusing on sources from British Medieval Latin texts.


Dictionnaire de la langue française du seizième siècle

Full-Text, Reference

Online edition of Huguet's dictionary of Renaissance French.


Digital Theatre Plus

Streaming video of British theater productions plus supplementary study and teaching materials.


Dissertations and Theses A&I

Index

Coverage: 1861-present

Index of dissertations and theses from institutions in the United States, and more selectively, Canada, Britain, and other European countries. Abstracts are included for dissertations from 1980 to the present and for master's theses from 1988 to the present. (For openly accessible dissertations and theses, see Open Access Theses and Dissertations.)


Docuseek2

Visual Resource

Database of streaming documentaries from distributors such as: Bullfrog films, Icarus Films, Collective Eye Films, National Film Board of Canada, and Scorpion TV. Particularly strong in Environmental Studies, although there is plenty of great material across disciplines.


Drama Online

Full-Text

Digital collection of play scripts "from Aeschylus to the present day." Plays can be searched by a variety of criteria, including theme, genre, setting, and cast size. Also includes Globe on Screen, streaming versions of performances from Shakespeare's Globe.