1. Beitrage zur Entwicklung des Physiognomie de Mimikerkennes;Ahrens;Zeitschrift experimental und angewandite Psychologie,1954
2. Infancy in Uganda;Ainsworth,1967
3. A book of dolfins;Alpers,1961
4. A field study of the sociobiology of rhesus monkeys;Altmann;Macaca mulatta. Annals of the New York Academy of Sciences,1962
5. Naturalistic studies of maternal care in moose and elk;Altmann,1963