On the numbers and local distribution of Illinois land birds of the open country in winter, spring and fall
By: by Stephen A. Forbes and Alfred O. Gross.  Printed by authority of the state of Illinois.
Contributors: Gross, Alfred Otto, 1883- joint author.
Series: Illinois.  Department of Registration and Education.  Division of Natural History Survey.   Bulletin, v. XIV, art. X
Published: 1923
Place of publication: Urbana, Ill
Language: eng
Number of pages: 453
Subjects: Birds -- Illinois.