The Prairie in Seed
Dave Williams
The Guide to Oklahoma Wildflowers
Patricia Folley
Gardening with Native Plants in the Upper Midwest
Judy Nauseef
Forest and Shade Trees of Iowa
Peter J. van der Linden & Donald R. Farrar
The Tallgrass Prairie Center Guide to Prairie Restoration in the Upper Midwest
Daryl Smith, Dave Williams, Greg Houseal & Kirk Henderson
The Tallgrass Prairie Center Guide to Seed and Seedling Identification in the Upper Midwest
Dave Williams
Wildflowers of the Tallgrass Prairie
Sylvan T. Runkel & Dean M. Roosa
A Projectile Point Guide for the Upper Mississippi River Valley
Robert F Boszhardt
Field Guide to Wildflowers of Nebraska and the Great Plains
Jon Farrar
The Guide to Iowa's State Preserves
Ruth Herzberg & John A. Pearson