Galton's walk : methods for the analysis of thinking, intelligence, and creativity /
Crovitz, Herbert Floyd.
Galton, Francis,1822-1911.Psychometric experiments.
New York ; London : Harper & Row,
1970.
Includes the text of 'Psychometric experiments' by Francis Galton, reprinted from 'Brain', July 1879
bibl p153-156
Galton, Francis, 1822-1911.
Thought and thinking.