[051-21]A Hillside Marsh in EastÂ-Central Illinois
Phipps, Richard and Speer, John A Hillside Marsh in EastÂ-Central Illinois 051-21-print
[062-38] The Isolation of Actinomycetes from Soils
Speer, Jack R. and D.L. Lynch The Isolation of Actinomycetes from Soils 062-38-print