Ralph Hoffmann (November 30, 1870 – July 21, 1932) was an American natural history teacher, ornithologist, and botanist. He was the author of the first true bird field guide. (From Wikipedia)
More about Ralph Hoffmann: Associated author:Books by Ralph Hoffmann:
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Hoffmann, Ralph, 1870-1932: A Guide To The Birds of New England and Eastern New York: Containing a Key for Each Season and Short Descriptions of Over Two Hundred and Fifty Species, With Particular Reference To Their Appearance in The Field (Boston and New York: Houghton, Mifflin and Co., 1904), illust. by Louis Agassiz Fuertes (multiple formats at archive.org)
Additional books by Ralph Hoffmann in the extended shelves:
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Hoffmann, Ralph, 1870-1932: Bird portraits (Ginn & Company, 1901), also by Ernest Thompson Seton (page images at HathiTrust)- Hoffmann, Ralph, 1870-1932, contrib.: Bird Portraits, illust. by Ernest Thompson Seton (Gutenberg ebook)
- Hoffmann, Ralph, 1870-1932: Bird world : a bird book for children (Ginn, 1898), also by J. H. Stickney and Ernest Thompson Seton (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: The birds of Berkshire county, Massachusetts. (s.n.], 1900), also by Walter Faxon (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Birds of the Kansas City region ([St. Louis, Mo.], 1919), also by Harry Harris and Academy of Science of St. Louis (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Birds of the Pacific states (Houghton Mifflin, 1955), also by Allan Brooks (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Birds of the Pacific states; containing brief biographies and descriptions of about four hundred species, with especial reference to their appearance in the field (Houghton Mifflin company, 1927), also by Allan Brooks (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Common birds : First series (Massachusetts Audubon Society, 1924) (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Common birds. First series to accompany Audubon Bird Chart number one. (Massachusetts Audubon Society, 1916), also by Massachusetts Audubon Society (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Common birds. Second series (Massachusetts Audubon Society, 1900) (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Flora of Berkshire County, Massachusetts (Printed for the Society, 1922) (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Guide to the birds of New England and Eastern New York (Houghton Mifflin, 1923), also by Louis Agassiz Fuertes and Peter and Pidge Curtiss Louis Agassiz Fuertes Collection (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: A guide to the birds of New England and eastern New York; containing a key for each season and short descriptions of over 250 species, with particular reference to their appearance in the field (Houghton, Mifflin, 1904) (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: A guide to the birds of New England and eastern New York : containing a key for each season and short descriptions of over two hundred and fifty species, with particular reference to their appearance in the field (Houghton, Mifflin and company, 1910) (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Summer birds. (July 15 - Aug. 13, 1894) of the Rhine. (1896) (page images at HathiTrust)
- Hoffmann, Ralph, 1870-1932: Twenty-six common birds (Published by Massachusetts Audubon Society, 1899), also by Edward Knobel and Massachusetts Audubon Society (page images at HathiTrust)
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