Characteristics common to professional men in non-structural fields.
Contributors: O'Connor, Johnson, 1891-1973.
Edition: 1st ed.
Publisher: [s.n.]
Published: 1938
Place of publication: Hoboken, N.J
Language: eng
Number of pages: 86
Subjects: Ability -- Testing.; Characters and characteristics.; Personality and occupation.; Professions.
Notes: Director of Human Engineering Laboratory: J. O'Connor.