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Grace, Catherine O'Neill, 1950-

Dogs on duty / - [Washington, D.C.] : National Geographic Society, c1988 - 104 p. : col. ill. ; 28 cm - Books for world explorers .

Includes index

Bibliography: p. 103

Describes the ways in which dogs are bred and trained for such careers as livestock guardian, herder, helper for the disabled, sled-puller, and entertainer

ISBN: 0870446592 0870446649

LCCN: 88015933

Subjects--Topical Terms:
Working dogs.
Dogs.

Dewey Class. No.: 636.7/0886