Wages, hours and employment in American manufacturing industries July, 1914-January, 1924

Includes bibliographical references.

Wages and hours in American manufacturing industries: July, 1914 - January, 1922

National Industrial Conference Board.

New agnathous fishes from the Pennsylvanian of Illinois / David Bardack -- and Eugene S. Richardson, Jr. --

v.33:no.26(1977)

Pennsylvanian invertebrates of the Mazon Creek Area, Illinois: the morphology and affinities of Tullimonstrum / Ralph Gordon Johnson -- and Eugene S. Richardson, Jr. --

v.12:no.8(1969)

New fossil polychaete from Essex, Illinois / Ida Thompson -- and Ralph G. Johnson --.

v.33:no.25(1977)

Post-glacial fossil vertebrates from east-central Illinois / by Edwin C. Galbreath.

v.6:no.20(1938)

A new Devonian trilobite from southern Illinois / by Sharat Kumar Roy --

v.6:no.4(1933)

Bandringa rayi: a new Ctenacanthoid shark from the Pennsylvania Essex fauna of Illinois / Rainer Zangerl --

v.12:no.10(1969)

Longiscitula houghae; a new genus of dissorophid amphibian from the Permian of Texas / Robert E. DeMar, Asst. Professor of Geology, University of Illinois, Chicago Circle Campus.

v.16:no.2(1966)

New Pennsylvanian lungfishes from Illinois / Robert H. Denison, Curator, Fossil Fishes.

v.12:no.12(1969)

A crinoid from the Pennsylvanian Essex fauna of Illinois / N. Gary Lane --

v.12:no.9(1969)

Megapleuron zangerli : a new dipnoan from the Pennsylvanian, Illinois / Hans-Peter Schultze --.

v.33:no.21(1977)

Bulletin of the Illinois State Laboratory of Natural History.

5 (1897 - 1901)

Bulletin of the Illinois State Laboratory of Natural History.

11 (1915 - 1918)

Transactions of the Department of Agriculture of the State of Illinois with reports from county and district agricultural organizations for the year ...

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