The dictionary of graphic images  NC960 .T46 1980

The encyclopedia of signs and symbols   NC961.7.S9 L34 1993

The picture book of symbols NC961.7.S9 L52 1956

Symbol signs : the complete study of passenger/pedestrian-oriented symbols NC960 .S9 1993

Symbol sourcebook : an authoritative guide to international graphic symbols  NC960 .D74 1972

TRADEMARKS

Top symbols and trademarks of the world  T324 .T67 1973

Trademarks & symbols of the world  T325 .K913 1987

World trademarks, 100 yrs : alphabetic symbols and logotypes : an international collection of symbol and logotype designs of the last one hundred years  NC1003 .W674 1996