17 results for Philip S Callahan
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Ancient Mysteries, Modern Visions
Paperback
Published 01 Jan 2001 -
Exploring the Spectrum
Paperback
Published 31 Dec 1994 -
Insect Behavior
Hardback
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A Rucksack Naturalist in Ireland
Hardback
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Bird Behavior
Book
Published 01 Jan 1975 -
Tuning in to Nature
Book
Published 01 Jan 1975 -
The Soul of the Ghost Moth
Book
Published 01 Jan 1981 -
Insects and How They Function
Book
Published 01 Jan 1971 -
The Evolution of Insects
Book
Published 01 Jan 1972 -
The Magnificent Birds of Prey
Book
Published 01 Jan 1974 -
Birds and How They Function
Book
Published 01 Jan 1979 -
Tuning in to Nature
Book
Published 01 Jan 1977