RH
Person
Ralph Hoffmann
Ralph Hoffmann (November 30, 1870 – July 21, 1932) was an American natural history teacher, amateur ornithologist, and botanist. He was the author of the first true bird field guide.
Ralph Hoffmann (November 30, 1870 – July 21, 1932) was an American natural history teacher, amateur ornithologist, and botanist. He was the author of the first true bird field guide.
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