Mendelsohn, Charles J. (Charles Jastrow) 1880-1939

The Zimmermann telegram of January 16, 1917, and its cryptographic background by William F Friedman ( Book )
2 editions published between 1938 and 1994 in English and held by 15 libraries worldwide

40 O.B., or, How the war was won by Hugh Cleland Hoy ( Book )
1 edition published in 1932 in English and held by 3 libraries worldwide

A treatise on ciphers by Leon Battista Alberti ( Book )
1 edition published in 1997 in English and held by 2 libraries worldwide

Cardan on cryptography by Charles J Mendelsohn ( Book )
1 edition published in 1939 in English and held by 1 library worldwide

Blaise de Vigenère and the "chiffre carré by Charles J Mendelsohn ( Book )
1 edition published in 1940 in English and held by 1 library worldwide

Miscellaneous manuscripts, between 1900 and 1939 by Charles J Mendelsohn ( )
in English and held by 1 library worldwide
Consists of 19 leaves of Mendelsohn's ms. notes on Leon Battista Alberti; a xerox copy of these notes; and a negative-image photostat of pp. 200-221 of Alberti's Opuscoli morali (Venice, 1568), containing his work La Cifra.

Miscellaneous manuscripts, 1928, n.d by William F Friedman ( Book )
1 edition published in 1928 in English and held by 1 library worldwide
Consists of two letters dated 24 and 25 April 1928 to Charles J. Mendelsohn, concerning William Newbold's book The Cipher of Roger Bacon. Includes Friedman's ms. review of the book and various notes on it and other cryptographic matters, as well as xerox copies of 2 leaves of the notes. Friedman was not convinced by Newbold's arguments in favor of the theory that the Voynich manuscript was written by Roger Bacon.

Notes on a cipher used for communication between the British Corps and the American Division Headquarters during World War I by L. R Trilling ( Book )
1 edition published in 1918 in English and held by 1 library worldwide

Notes on code words by William F Friedman ( Book )
1 edition published in 1932 in English and held by 1 library worldwide

Secret ink : references in the sabotage record [of the Mixed Claims Commission] to the use by German espionage agents of secret or invisible ink by Charles J Mendelsohn ( Book )
1 edition published in 1934 in English and held by 1 library worldwide