Psychology and Military Proficiency By Charles W. Bray Books / Hardcover Social Science › Psychology & Psychiatry Publisher: Princeton University, January 1948 Price $19.70 Free Shipping Send to a friend Used - Good With Dust Jacket Good condition. Good dust jacket. (Psychology, Military History, Military Psychology) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $19.70 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.