[036-21]Prairies and Forests of McLean County, Illinois
McAvoy, Blanche Prairies and Forests of McLean County, Illinois 036-21-print
[036-19]A Preliminary Check List of the Vascular Plants of Sangamon County, Illinois
Fuller, George D. A Preliminary Check List of the Vascular Plants of Sangamon County, Illinois 036-19-print
[036-18]Natural Reforestation of Strip Mines of Saline County, Illinois
Bonnell, Clarence Natural Reforestation of Strip Mines of Saline County, Illinois 036-18-print
[038-08]A Check List of Vascular Plants of Jo Daviess County, Illinois
Fuller, George D. A Check List of Vascular Plants of Jo Daviess County, Illinois 038-08-print
[040-16]The Pottery Industry in McDonough and Warren Counties, Illinois
Lounsbury, John Frederick The Pottery Industry in McDonough and Warren Counties, Illinois 040-16-print
[040-06]Additions to the Flora of Sangamon County, Illinois
Fuller, George D. Additions to the Flora of Sangamon County, Illinois 040-06-print
[041-13]Oil Accumulation in the Cypress Sandstone in the Herald Pool, White and Gallatin Counties, Illinois
McDurmitt, Nancy Oil Accumulation in the Cypress Sandstone in the Herald Pool, White and Gallatin Counties, Illinois 041-13-print
[041-12]Coal Resources of Franklin County, Illinois
Cady, Gilbert H. Coal Resources of Franklin County, Illinois 041-12-print
[041-07]Initial Report on the Vegetation of McDonough County, Illinois
Myers, R. Maurice and Wright, Paul G. Initial Report on the Vegetation of McDonough County, Illinois 041-07-print
[042-26]Incidence of Trypanosoma Infection in Small Mammals of Champaign County, Illinois
Nelson, Russel E. Incidence of Trypanosoma Infection in Small Mammals of Champaign County, Illinois 042-26-print