Cambridge: Cambridge University Press, 1939. Pp.163-170p. [8p.], sewn into plain printed grey wraps, 10 x 7 inches. Mildest signs of handling.
Offprint with its own specially titled wraps. "..human aggression only appears to admit of modification in two ways: (1) in an economic sense.. and (2) ..by mitigation of the frustrations which provoke it." --perfesser goes on to say, "the economic is the more important [measure] historically.." less string im up, Boys.