Hartfield's new "Wall street" (Newwallst) code. Contains 156,563 cypher words, numbered from 00000 to 156562. Also roots and terminals forming millions of artificial words, conforming to the telegraphic regulations ... comp. by John W. Hartfield.
|Main Author:||Hartfield, John W.|
New York, Press Hartfield Telegraphic Code Publishing Co., 1912.
Cipher and telegraph codes
Cipher and telegraph codes > Bankers and brokers
2 p. l., iii, , xvi, 2525 p.
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