Robert M. Roof books & textbook
Modern Mechanix & Inventions, vol. XI (11), no. 2 (December 1933) (Daring Death with News Cameramen): World's Largest Statue, Aerial Patrol Traps Sky Smugglers, Animal Outlaws, Titan of Transportation
Ted Dalton Murray Spivak Raymond Spencer Nic Sprank James Nevin Miller Robert M. Roof Gene Shank S. S. Rabl A. Neely Hall L. B. Robbins Alfred Albelli Ray F. Kuns J. Russell Dye Douglas Rolfe
Modern Mechanix Publishing Company /1933T Single Issue Magazine / 148 Pages
