Library of Congress
Loc: An American Ballroom Companion:dance Instruction Manuals (1490 1920)
The Library of Congress has over 200 original dance manuals from 1490 to 1920. This resource includes essays and treatises on etiquette, dance theory and history, theatrical dance, music for the dance, and more.
Other
Street Swing: Waltz
Here is an excellent website explaining the history of the waltz. Here you can find the other names that Italians, French, Germans, and Austrians call the waltz as well as lots more related information. At the bottom of the page you can...
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1800 1819
Alessandro Volta invents the first primitive battery, discovering that electricity can be generated through chemical processes; scientists quickly seize on the new tool to invent electric lighting. Meanwhile, a profound insight into the...
Other
Bob's Byway: Glossary of Poetic Terms
Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.