Author:Ralph Hoffmann
Works edit
- Bird World (1898) (external scan)
- Twenty-six common birds (external scan) (1899)
- Bird Portraits (1901) (external scan)
- A guide to the birds of New England and eastern New York (1904) (external scan)
- Common birds: second series: To accompany Audubon bird chart, Issue 2 (1900)
- Flora of Berkshire County, Massachusetts (1922) (external scan)
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1929.
This author died in 1932, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 91 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
Public domainPublic domainfalsefalse