Author:Ralph Hoffmann

Works

 * Bird World (1898)
 * Twenty-six common birds (1899)
 * Bird Portraits (1901)
 * A guide to the birds of New England and eastern New York (1904)
 * Common birds: second series: To accompany Audubon bird chart, Issue 2 (1900)
 * Flora of Berkshire County, Massachusetts (1922)