Biodiversity Heritage Library
By "Warren, B. H. 1858-1926"
Report on the birds of Pennsylvania. With special reference to the food-habits, based on over four thousand stomach examinations.
By: Pennsylvania. Ornithologist. - Warren, B. H.
Edition: 2d ed.
Publication info: Harrisburg,E. K. Meyers, state printer,1890.
Contributed by: University of California Libraries (archive.org)