E. Loyd Enochs

Producing lighted cigarettes

Mitchell Kanter, Philadelphia 1953 (I ed. 1936).

Konradi Leitner

Hypnotism for professionals

Stravon publishers, New York 1953.

Rexford L. North e Ormond McGill

The Journal of Hypnotism

Vol. 2, N. 4, january 1953.

Rexford L. North e Ormond McGill

The Journal of Hypnotism

Vol. 2, N. 5, march 1953.

Rexford L. North e Ormond McGill

The Journal of Hypnotism

Vol. 2, N. 6, july 1953.

Rexford L. North e Ormond McGill

The Journal of Hypnotism

Vol. 3, N. 1, september 1953.