[01-21] Recent Advances in Spectroscopy*
Recent Advances in Spectroscopy* Author: Michelson, A.A.
[01-19] Farm Water Supply
Farm Water Supply Author: Bartow, Edward
[01-18] The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences
The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences Author: Baker, F.C.
[01-17] Plant Pathology in its Relations to Other Sciences
Plant Pathology in its Relations to Other Sciences Author: Reynolds, E.S.
[01-16] Illinois Trees
Illinois Trees Author: Burril, T.J.
[01-15] Occurrence of Oil and Gas in Eastern Illinois
Occurrence of Oil and Gas in Eastern Illinois Author: Bain, H. Foster
[01-14] A Virgin Prairie in Illinois
A Virgin Prairie in Illinois Author: Gleason, H.A.
[01-13] A State Ecological Survey
A State Ecological Survey Author: Tanseau, Edgar N.
[01-12] The Desirability of an Ecological Survey of Illinois Based on Plant Association
The Desirability of an Ecological Survey of Illinois Based on Plant Association Author: Cowles, H.C.
[01-11] Some Problems Connected with the Coals of Illinois. I. Weathering of Coal
Some Problems Connected with the Coals of Illinois Author: Parr, S.W.