1. The Occupational Level scale as a measure of drive;BARNETT;Psychol. Monogr., (Whole No. 342),1952
2. The adjustment service;BENTLEY,1935
3. Aptitudes and aptitude testing;BINGHAM,1937
4. A theory of vocational interests as dynamic phenomena;BORDIN;Educ. psychol. Measmt,1943
5. Der menschliche Lebenslauf als psychologisches Problem;BUEHLER,1933