The Online Books Page

Browsing subject area: Cipher and telegraph codes (Exclude extended shelves)
You can also browse an alphabetical list from this subject or from:

Cipher and telegraph codes

This heading may be subdivided by subject, e.g. Cipher and telegraph codes -- Astronomy; Cipher and telegraph codes -- Bankers and brokers.

See also what's at your library, or elsewhere.

Broader terms:Narrower terms:Used for:
  • Cable codes
  • Codes, Telegraph
  • Telegraph codes
  • Telegraph -- Codes
Filed under: Cipher and telegraph codes

More items available under narrower terms.

Help with reading books -- Report a bad link -- Suggest a new listing

Home -- Search -- New Listings -- Authors -- Titles -- Subjects -- Serials

Books -- News -- Features -- Archives -- The Inside Story

Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
OBP copyright and licenses.