[064-45] Catalog of Paleozoic Paleozoological Type and Figured Specimens at the Illinois State Museum
Leary, Richard L. Catalog of Paleozoic Paleozoological Type and Figured Specimens at the Illinois State Museum 064-45-print
[067-52] Two Early Pennsylvanian Floras of Western Illinois
Leary, Richard Two Early Pennsylvanian Floras of Western Illinois 067-52-print
[086-13MS9307] Enigmatic Fossil Plants from the Early Pennsylvanian of Western Illinois
Richard L. Leary Enigmatic Fossil Plants from the Early Pennsylvanian of Western Illinois 086-13MS9307-print