1. 01. English Non Fiction Animal architects. by Freedman, Russell. Publication: New York, Holiday House 1971 . 126 p. 21 cm. Date:1971 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction How animals defend their young / by Freedman, Russell. Publication: New York : Dutton, 1978 . 87 p. : , Includes index. 24 cm. Date:1978 Availability: Copies available: (1), Actions: