- Wild Ones Store:
get your Roots T-Shirt!
- Atlas of Biodiversity
from Chicago Wilderness
Full PDF
- James Woodworth Prairie
owned by University of Illinois at Chicago
- Geology Underfoot in Illinois
by Raymond Wiggers
- Electronic Encyclopedia of Chicago: Topography
from Chicago Historical Society
- History of DuPage County: to 10,000 B.C.
from DuPage County Historical Society
- The Phoenix Land - The Natural History of DuPage County
by Wayne Lampa
- Interpretive Undercurrents
and
Nature Inquiries
by Carl Strang
-
Rapid Color Guides: flora and fauna
from Field Museum
- Illinois Endangered, Threatened, and Candidate Species
from U.S. Fish and Wildlife Service
- Library Videos