TY - BOOK AU - Mytu,G.N. TI - Telegraph Clerk's companion U1 - 621.38202 PY - 0000///[19-?] CY - Ludhiana PB - Art - Literature Emporium KW - Telegraph KW - Armateur's manuals KW - Handbooks, manuals, etc KW - Telecommunication KW - Communication and traffic ER -