Crumhorn: Description with details of playing techniques and scale ranges for instruments of different sizes.
Crumhorn: Created by the VirRen Team.
Crumhorn Home Page: Information about the crumhorn, including listings of makers, sound files, bibliography and links.
Diabolus Guide to the Crumhorn and Rackett: From the Diabolus in Musica Guide to Early Instruments.
Early Music in Schools: Crumhorn: Short description including sound clips and large printable images.
The Crumhorn: The history of the crumhorn with audio samples.