1. A field study of the sociobiology of rhesus monkeys;Altmann,1960
2. A field study of the sociobiology of rhesus monkeys, Macaca mulatta;Altmann;Ann. N. Y. Acad. Sci.,1962
3. External factors in sexual periodicity;Amoroso,1960
4. Evolution of intelligence and vocal mimicking;Andrew;Science,1962
5. The origin and evolution of the calls and facial expressions of the primates;Andrew;Behaviour,1963