Sources for Reference Material

Open Colin Hume: Dance Instructions and Caller's Workshop.  Primarily English Country Dance.
Open Library of Congress: Dance Instruction Manuals, 1490 - 1920
Open Lloyd Shaw Foundation: To Recall, Restore, and Teach the Folk Rhythms of the American People.

Dance Manuals

Open American Dancing Master and Ballroom Prompter, Elias Howe, 1862
Open Dancing, Marquerite Wilson, 1904
Open Fashionable Dancer's Casket or The Ballrooom Instructor, Charles Durang, 1856
Open The Prompter, William B DeGarmo, 1868