Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
- ↑ (1998) The Cambridge Encyclopedia of Human Growth and Development, Cambridge University Press.
- ↑ Short biography, bibliography, and links on digitized sources in the Virtual Laboratory of the Max Planck Institute for the History of Science
- ↑ Howe, Mark A. (1968). Later Years of the Saturday Club 1870-1920, Ayer Publishing.
|This page uses Creative Commons Licensed content from Wikipedia (view authors).|