Crumhorn Home Page
- Information about the crumhorn, including listings of makers, sound files, bibliography and links.
- http://www.recorderhomepage.net/crumhorn.html

Crumhorn
- Description with details of playing techniques and scale ranges for instruments of different sizes.
- http://www.sackpfeyffer-zu-linden.de/crumhorn.html

Early Music in Schools: Crumhorn
- Short description including sound clips and large printable images.
- http://www.earlymusic.i12.com/general/prod_4.htm