ISBN 0442229321 books & textbook
Grzimek's Animal Life Encyclopedia: Mammals 3 (English and German Edition)
Grzimek, Bernhard (Editor) Dozens of full-colour photographs & drawings (some fold-outs), b&w Diagrams
Van Nostrand Company /1975T Hardcover / 600 Pages
isbn-10: 0442229321 / isbn-13: 9780442229320