Annemann, Theodore: En Rapport ©1937 1st Edition, 1944 2nd edition Paper, stapled, 24 pages Also available as an e-book from LearnedPigProject and Lybrary.com

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Comments (From the introduction): "A complete, routined act of telepathy, mind reading, and clairvoyance, designed for two people, and possible of being presented before a most critical audience. The minimum of preparation is necessary for the maximum of effect."

Contents (from the Learned Pig e-book version):

1 Introduction
2 The Code: to be learned by both parties
3 Example: use of the code
4 Preparation: needed are Two decks of cards, pad of paper, dollar bill, end opening envelopes, two slates and chalk, large thumb tip, and three or four pencils
5 Ladies and Gentleman: the entire act described in detail
13 The Si Stebbins System: a card stack
14 Eight Kings System: another card stack briefly described