This collection contains detailed descriptions, and some images and sound examples.
The Ethnomusicology Musical Instrument Collection at the University Libraries at the University of Washington is a browsable, searchable database of high quality images, sound files and video files.
The EVIA (Ethnographic Video for Instruction and Analysis) Digital Archive Project is a joint effort of Indiana University and the University of Michigan to establish a digital archive of ethnographic field video for use by scholars and instructors.
The FolkLib Index is a sort-of compendium of folk music and musicians. Go to the "Wisconsin Artists" link. Use the "Find" Function to search for "Appleton (note: the "a" must be capitalized.) Here you will find MANY Lawrence grads! Some people/groups also have a discography link where you MAY find contact information.