Flavio Filostrato

Iarchas' gift of prescience

Frederick Cornwallis Conybeare, The life of Apollonius of Tyana, William Heinemann, London 1921, Cap. III, §16.

Ippolito di Roma

Refutatio Omnium Haeresium

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

T. Nelson Downs

The Art of Magic

Arthur P. Felsman, Chicago 1921 (I ed. 1909).

Werner Dornfeld

Trix and chatter. A novelty-serio-comic-magicologue 

Arthur P. Felsman, Chicago 1921.

Arthur Ivey

The Magical mail, a monthly house organ

Arthur Ivey & co., London 1921.

George Shulte

Patter Paragraphs

1921.

Harry Latour

Magical Suggestions

George Johnson, London 1921.

How to entertain a social party

Frank M. Read, New York 1921.

David Lustig

La Vellma's vaudeville budget for magicians, mind readers, and ventriloquists

Robert W. Doidge, Sommerville 1921.

Bernard Carton

Conjuring for connoisseurs

1921.