[067-31] The Indigenous Drug Plants of Fulton County, Illinois
Harn, Alan D. and Alfred C. Koelling The Indigenous Drug Plants of Fulton County, Illinois 067-31-print
[068-55] Cahokia and the Mississippian Emergence in the Spoon River Area of Illinois
Harn, Alan D. Cahokia and the Mississippian Emergence in the Spoon River Area of Illinois 068-55-print