Yerkes and Bridges: Point Scale for Measurement of Intelligence
6. The Individual Psychograph
Hollingworth, H. L.: "Review of Toulouse," Psychological Bulletin, Nov., 1912
Stern, W.: Die Differentielle Psychologie
Toulouse, E.: Henri Poincaré
7. The Vocational Psychograph
Münsterberg, H.: Vocation and Learning
Parsons, F.: Choosing a Vocation
Schneider, H.: "Selecting Young Men for Particular Jobs," Bulletin 7, National Association of Corporation Schools
Seashore, C. E.: "The Measurement of a Singer," Science, Feb. 9, 1912