Homer Saint Gaudens

Camouflage and Art

The Art Bulletin, N. 1, Vol. 2, College Art Association of America, New York settembre 1919, pp. 23-30.

Harry Houdini

Miracle Mongers and Their Methods

E.P. Dutton & co., New York 1920.

Ippolito di Roma

Refutatio Omnium Haeresium

George Francis Legge, Philosophumena Or the Refutation of All Heresies, Vol. 1, The MacMillan Company, New York 1921.

How to entertain a social party

Frank M. Read, New York 1921.