Grzimek's animal life encyclopedia /
Bernhard Grzimek.
- New York : Van Nostrand Reinhold, 1972-
- 13 vol. ; il. col. ; 24 cm.
v. 1. Lower animals -- v. 2. Insects -- v. 3. Mollusks and echinoderms -- v. 4. Fishes I -- v. 5. Fishes II and amphibia -- v. 6. Reptiles -- v. 7. Birds I -- v. 8. Birds II -- v. 9. Birds III -- v. 10. Mammals I -- v. 11. Mammals II -- v. 12. Mammals III -- v. 13. Mammals IV