A lengthy bibliography of materials covering the Roman army, compiled by a professional scholar. An excellent starting point for research.

This site provides an extensive bibliography of works covering the history of witchcraft in early modern Europe and America. Also includes links to related sites. Compiled by professional historians. An excellent starting point for research on this topic.

“Site deals mainly with the mechanical calculating machines from a collector’s point of view” Provides historical information, interactive computing programs and related links to references on calculating machines.

“In ancient Rome, rich people’s bathrooms were like small, heated, marble swimming pools; in ancient Greece, real men took cold showers because warm water was for sissies. Queen Elizabeth I may have bathed only monthly, but she did have the first flush toilet in England. Still, it took the British a long time to get their – um – sewage together. Ev …

Resource on the infamous American prison, Alcatraz. Site hosts a wealth of information including a detailed timeline, searchable database of prisoners, and a collection of maps.

Historical archives of ornithological research published by thirteen scholarly journals and bird-watching societies based in North America. The literature is international in scope and covers the late 19th-20th centuries. Articles can be downloaded in PDF or DJVU format.

Covering many aspects of the history of science from ancient India through modern times. Complete online full-text sources are organized by different geographical areas as well as eras in time.

The Avalon Project, located at the Lillian Goldman Law Library at Yale Law School, is a digital collection composed of law, history, economics, politics, diplomacy, and governmental documents from 4000BCE to the present.

“Welcome to The Telecommunications History Group (THG), where you can pursue scholarly or personal research, view museum exhibits or tour a historical telephone company building. THG collects, preserves, and interprets the unfolding history of telecommunications industry.”

“Welcome to The Telecommunications History Group (THG), where you can pursue scholarly or personal research, view museum exhibits or tour a historical telephone company building. THG collects, preserves, and interprets the unfolding history of telecommunications industry.”

Features biographical information of over 100 women inventors, scholars, writers, mathematicians and astronomers throughout recorded history.

A detailed timeline and history of search engines and directories from 1945 to 2007, with focus on Google, Yahoo, and Microsoft. Explains how search engines should work and gives suggestions for further research.

A non-profit research and education organization that “promotes and rewards scholarship in the fields of forest, conservation, and environmental history.” Search the database for photos and information on the world’s forests. Educational resources, fellowships, and award information are also available.

Biographical information, interviews, essays and research materials about General George C. Marshall, World War I, and World War II.

This site traces the history of the development of the LISP computer programming language from its precursor FORTRAN by John McCarthy of MIT. Includes various references, a Lisp bibliography and a searchable database.

Photographs, books and pamphlets, maps, manuscripts, and other archival material drawn from the collections of Harvard University that document voluntary immigration to the United States ???from the signing of the Constitution to the onset of the Great Depression,??? and related quantitative data and contextual information.

This history of the radio in Great Lakes and Mississippi River shipping industry provides technical descriptions as well as personal recollections of retired radio operators. This site invites its audience to contribute knowledge and facts and is constantly growing as a result.

This comprehensive Art History resource organizes links by civilization and then by subheadings, such as Prehistoric Art with Paleolithic, Mesolithic, and Neolithic Art subheadings. It proceeds through Ancient Near East, Ancient Egypt, Ancient Greece, Ancient Rome, Art in Early Europe, Art in the Middle Ages, into the Renaissance, and so on. It t …

Compiled by Pittsburgh magician Tom Interval, this Web site is a free resource for Houdini enthusiasts and researchers who might not otherwise have access to the hundreds of Houdini articles, features, and letters that appeared in The New York Times from 1910 to 1943.