T Trinity Site White Sands Missile Range. Public Affairs Office Trinity Site White Sands Missile Range. Public Affairs Office
R Representative Plays by American Dramatists Clyde Fitch Representative Plays by American Dramatists Clyde Fitch
P Principles of Political Economy Arthur Latham Perry Principles of Political Economy Arthur Latham Perry
G The Game of Rat and Dragon Paul Myron Anthony Linebarger The Game of Rat and Dragon Paul Myron Anthony Linebarger