Zufall, Bernard: Zufall's Memory Trix No. 1 Magazine Memorizing ©1940 Bernard Zufall, NY Softcover, saddle-stitched, 5.5x8.5", 8 pages Available as an eBook compilation of all 6 volumes from Lybrary.com

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Comments: Feats of memorization. Zufall published a series of 6 volumes in the Memory Trix series, including:
No. 1 Magazine Memorizing
No. 2 Mental File Index
No. 3 Calendar Memorizing
No. 4 Memorizing a Deck of Playing Cards
No. 5 Memorizing Numbers
No. 6 Memorizing Facts and Figures

Contents (from LearndedPig eBook edition):

1 Effect: performer is able to describe the pages or contents of magazine pages distributed through the audience
1 Preparation
2 The Complete Figure Alphabet: chart
3 Dual List of Code Words
4 Review Cards
5 Procedure: how to use the code words and association
6 Example Saturday Evening Post