David Roth

Roth Memory Course: a simple and scientific method of improving the memory and increasing mental power

1918.

Edward Summers Squier

Tricks and Magic Made Easy

1919.

Alfred C. Gilbert

Mysto Magic

1919.

Preston Langely Hickey

Practical Drawing Room, Club and Stage Patter

F.G. Thayer, Los Angeles 1919.

H.C. Mole, Charles Medrington e Ernest Hammond

The Magic of Tomorrow

1919.

George Shulte

Magical Monologues

1919.

Alfred C. Gilbert

Knots and Splices with Rope-Tying Tricks

1920.

Alsdorf Donald Holmes

The Magic Art

Self published, 1920.

Charles Waller

Original creation for magicians hitherto kept up his sleeve

F.G. Thayer, Los Angeles 1920.

T. Nelson Downs

The Art of Magic

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