"The work could not have been possible without the devoted help of our editorial committee, and notably Dr. Alvin Johnson." -- Publishers' note.
Copy 1, "Fourteenth impression, " Copy 2" Fifteenth impression."
"Editorial sponsors: John Chamberlain, Sidney B. Fay, John Gunther, Carlton J. H. Hayes, Graham Hutton, Alvin Johnson, William L. Langer, Walter Millis, Raoul de Roussy de Sales, George N. Shuster."