Weik, Kenneth L and Gordon Baker
A Preliminary Survey of Vascular Plants of the Horseshoe Lake Area, Knox County, Illinois
Weik, Kenneth L and Gordon Baker
A Preliminary Survey of Vascular Plants of the Horseshoe Lake Area, Knox County, Illinois
Recent Advances in Spectroscopy* Author: Michelson, A.A.
The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences Author: Baker, F.C.
Recent Advances in Spectroscopy* Author: Michelson, A.A.