Snapshots of KU professor Charles Bunker and colleagues and Bunker's photographs of damage from a cyclone that struck Clinton, Kansas in 1910. The bulk of the collection consists of images related to the Clinton, Kansas tornado.

This collection consists of field notebooks, drafts of speeches or articles, and reference material created and collected by C.D. Bunker, an assistant curator at the University of Kansas' Natural History Museum in the first half of the 20th century.