Personnel selection in the British forces / Philip E. Vernon and John B. Parry. Vernon, Philip Ewart. Parry, John B. Great Britain. Royal Navy Officers. Great Britain. Army Officers. Ability Testing. VB315.G7 V4 355.22 VEP Bibliography: p. 302-312. London : University of London Press, 1949. 1949. 1949 Text 324 p. : eng