TY - JOUR A1 - Harlow, H. F. A1 - et al., T1 - Effects of social isolation on the learning performance of Rhesus Monkeys JF - C. R. Carpenter (Ed.) Behaviour, New York and Basel (S. Karger) 1969, pp. 178-185. Y1 - 1969 ER - TY - JOUR A1 - Harlow, H. F. T1 - The Heterosexual Affectional System in Monkeys JF - Th. E. McGill (Ed.), Readings in Animal Behavior, New York etc. (Holt, Rinehart and Winston) 1965, pp. 304-313. Y1 - 1965 ER - TY - JOUR A1 - Harlow, H. F. T1 - Basis social capacity of primates JF - J. N. Spuhler (Ed.), The evolution of man's capacity for culture, Detroit (Wayne State University Press) 1965, pp. 40-53. Y1 - 1965 N1 - Marks in the copy ER -