Riverbank Publications No. 75 : Memorization Methods : Specifically Illustrated in Respect to Their Applicability to Codes and Topographic Material
Riverbank, Geneva Ill. Riverbank Laboratories Department of Ciphers 1919. First Edition. 50 pages 28.7 cm x 22.2 cm. Publisher's stiff tan wrappers with black printed front cover duplicating title page. No statement of limitation. A bright copy noting some minor soiling to the rear cover and a browned spot on the front cover. Number "117" circled at top of front wrapper. Near Fine. Wraps. [29057]
Not normally included in the so-called 'Riverbank Publications' which included numbers 15-22, this is one example of other work published by Riverbank in related fields.
Shulman, An Annotated Bibliography of Cryptography, 1976, p83 (which attributes authorship to H. O. Nolan).
Price: $165.00