Other (MIDI, documentation, lyrics, etc)

Parlor Songs Academy: Preserving America’s Popular Music Heritage. Available at:
» http://www.parlorsongs.ac

Mainspring Press, 78 Records, Cylinders, Phonographs: Resources for Collectors and Researchers. Available at:
» http://www.mainspringpress.com &
» http://78records.wordpress.com

A Casquet of Vocal Gems from the Golden Days of Music Hall. Available at:
» http://monologues.co.uk/musichall/