Category: Math Puzzles Etc.

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Pattern & Nonpattern Words of 2 to 6 Letters

By: Andree, Richard V.

Price: $63.79

Publisher: Norman, OK, Raja: 1977

Seller ID: 71080

ISBN: B0020O4QZE

Binding: Paperback

Condition: Very Good


Sophisticated ciphers (Problem solving and logical thinking)

By: Andree, Richard Vernon

Price: $50.16

Publisher: Dept. of Mathematics, University of Oklahoma: 1978

Seller ID: 101674

ISBN: B0006X7MVG

Binding: Paperback

Condition: Good+


Digraphic substitution: The Playfair cipher, the four square cipher (Practical cryptanalysis)

By: Bowers, William Maxwell

Price: $63.79

Publisher: American Cryptogram Association: 1959

Seller ID: 101669

ISBN: B0007EYV18

Binding: Paperback

Condition: Good+


Digraphic substitution: The Playfair cipher, the four square cipher (Practical cryptanalysis)

By: Bowers, William Maxwell

Price: $68.40

Publisher: American Cryptogram Association: 1960

Seller ID: 115472

ISBN: B0007EYV18

Binding: Paperback

Condition: Fine


The Cryptogram Magazine, Official Publication of the American Cryptogram Association, Volumes XXXIV 1968 to LXXV 2009

By: The American Cryptogram Association

Price: $273.60

Publisher: the American Cryptogram Association: 1968

Seller ID: 118617

ISBN: xxxxxxxx61

Binding: Paperback

Condition: Near Fine


The Cryptogram Volumes XLI to L Numbers 1 to 6 (1975-1984 68 Issues) - Official Publication of the American Cryptogram Association

By: Various

Price: $164.16

Publisher: American Cryptogram Association: 1984

Seller ID: 101686

ISBN: B00KJR69RM

Binding: Paperback

Condition: Very Good