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1984

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1988

The illustrated wildlife encyclopedia Nature's predators

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2001

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1997

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1986

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1997

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1971

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2007

Catalogue of Canadian birds

John Macoun

1909

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Ada Graham

1978

Population ecology of raptors

Ian Newton

1979

Amazing birds of prey

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1992

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1999

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2003

Habitat management guides for birds of prey

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1979

Eagles, hawks and falcons of the world

Leslie Brown

1968

Bird guide

Chester A. Reed

1906

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2004

Raptor management information system

Richard R. Olendorff

1982

In good hands

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1998

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1998

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2011

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1993

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1997

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1983

Hawks and owls of North America

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1979

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1981

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2010

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1991

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2002