REPORT ON THE BIRDS OF PENNSYLVANIA: With Special Reference to the Food-Habits, based on over Four Thousand Stomach Examinations.
Harrisburg: E. K. Meyers, State Printer, 1890. Second edition, revised and augmented. Illustrated with 100 plates after Audubon with all but the first in full color. (There were only 50 plates in the first edition). Compiled by Warren, Pennsylvania's State Ornithologist, just 2 years after the first edition was "exhausted"..... Item #71990 More