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Herbert Friedmann

Herbert Friedmann (April 22, 1900 – May 14, 1987) was an American ornithologist. He worked at the Smithsonian Institution for more than 30 years. In 1929 he became a fellow of the American Ornithologists' Union (AOU) and served as the President of the AOU from 1937 to 1939. He published 17 books and was noted for study of Avian brood parasites. Provided by Wikipedia

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The birds of North and middle America: a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert, 1900-1987

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The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert, 1900-1987
Published 1919

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The birds of North and middle America: a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert, 1900-1987
Published 1901

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The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert, 1900-1987
Published 1901

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The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929., Friedmann, Herbert, 1900-1987.
Published 1901

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The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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7

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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8

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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9

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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10

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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11

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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12

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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13

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic land...

by Ridgway, Robert, 1850-1929, Friedmann, Herbert 1900-1987

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The birds of North and Middle America: a descriptive catalog of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands t...

by Ridgway, Robert, 1850-1929., Friedmann, Herbert, 1900-1987., United States National Museum.
Published 1901

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