Mammals of an expedition across northern Peru, by Wilfred H. Osgood.

v.10:no.12(1914)

The ornithology of Illinois. Part I. Descriptive catalogue. By Robert Ridgway. Part II. Economic ornithology. By S. A. Forbes. Pub. by the authority of the state Legislature.

v.1 pt.1

The ornithology of Illinois. Part I. Descriptive catalogue. By Robert Ridgway. Part II. Economic ornithology. By S. A. Forbes. Pub. by the authority of the state Legislature.

v.2 pt.1

The fishes of Illinois / Stephen Alfred Forbes and Robert Earl Richardson.

2nd ed.

The birds of Illinois and Wisconsin.

v.9(1909)

The mammals of Illinois and Wisconsin, by Charles B. Cory ...

v.11(1912)

On some collections of fishes made in the Kankakee and Illinois Rivers [by] O. P. Hay.

v.1:no.4(1896)

Some notes on Pennsylvanian Crustaceans in the Illinois basin / Frederick R. Schram --.

v.35:no.3(1976)

A strange arthropod from the Mazon Creek of Illinois and the Trans Permo-Triassic Merostomoidea (Trilobitoidea) / [by] Frederick R. Schram --

v.20:no.6(1971)

Pennsylvanian invertebrates of the Mazon Creek area, Illinois / Eugene S. Richardson, Jr. --

v.12:no.2(1956)

New species of Leptocera Olivier in the burrows of the pocket gopher, Geomys Bursarius Illinoensis Komarek and Spencer, found in Illinois (Diptera: Sphaeroceridae) [by] O.W. Richards.

v.44:no.19(1964)

A recently discovered Phlegethontia from Illinois / by William D. Turnbull and Priscilla F. Turnbull.

v.37:no.19(1955)

Pennsylvanian invertebrates of the Mazon Creek area, Illinois. Trilobitomorpha arthropleurida, Eugene S. Richardson, Jr. --

v.12:no.5(1959)

The Indian tribes of the Chicago region, with special reference to the Illinois and the Potawatomi / by William Duncan Strong -- Former Assistant Curator of North American Ethnology and Archaeology. 8 plates.

no.24(1926)

Pennsylvanian invertebrates of the Mazon Creek area, Illinois : Eurypterida / Erik N. Kjellesvig-Waering --

v.12:no.6(1963)