- Open University (2)
- Abelson, Robert P. (1)
- Cole, Michael, 1938- (1)
- Cromer, Rick (1)
- Estes, William Kaye (1)
- Fodor, Jerry A. (1)
- Georgescu-Gorjan, Sorana (1)
- Greene, Judith (1)
- Hull, R. F. C. (Richard Francis Carrington), 1913-1974 (1)
- Jung, C. G. (Carl Gustav), 1875-1961 (1)
- Lowi, Theodore J. (1)
- Mackey, William Francis (1)
- Neumann, Erich, 1905-1960 (1)
- Norman, Donald A., 1935- (1)
- Ornstein, Robert Evan, 1942- (1)
- Schank, Roger C., 1946- (1)
- Verdoodt, Albert (1)
- Vlad, Constantin (1)
- Vygotskiĭ, L. S. (Lev Semenovich), 1896-1934 (1)
- Wilks, Yorick, 1939- (1)