Robert Lund

It's magic

Boy's Life, N. 4, Vol. 58, aprile 1968, pp. 14-15.

Marcello Truzzi

Sherlock Holmes: Applied Social Psychologist

Marcello Truzzi, The Humanities as Sociology: An Introductory Reader, Charles E. Merrill Publishing Company, Columbus 1973, Cap. 7, pp. 93-126.

Leonard N. Beck

Things Magical in the collections of the Rare Book Division

The Quarterly journal of the Library of Congress, Vol. 31, Washington ottobre 1974, pp. 208-234.

Eric Kenneway

The Rubber Band Book

1977.

F. William Kuethe

Magicians' Token

TAMS Journal, Vol. 18, ottobre 1978.