Robert Alan Nelson

Pseudo-hypnotism and Hypnotism by radio

1940.

Ralph W. Read

The new radio-vision mind-reading code

1940.

Robert Alan Nelson

Hellstromism

1941.

Claude Alexander Conlin

Dr. Q's Hypnotic Act

Thayer's Studio of Magic, Los Angeles 1944.

Williams Larsen

Radio and nite club mindreading

1944 (I ed. 1928).

William Lindsay Gresham

Fortune Tellers Never Starve

Coronet, N. 4, Vol. 27, febbraio 1950, pp. 169-172.

Harry Collins

Magicians in the laboratory: a new role to play

New Scientist, 30 giugno 1983.

Marcello Truzzi

Reflections on Project Alpha: Scientific Experiment or Conjuror's Illusion?

The Zetetic Scholar, 1987.

Sidney J. Kolpas

David Copperfield's Orient Express Card Trick

The Mathematics Teacher, N. 7, Vol. 85, ottobre 1992, pp. 568-570.