A number of reference books on symbols are in the call number range AZ 108:
- The Continuum encyclopedia of symbols - REF. AZ108 .B4313 1994
- The complete dictionary of symbols - REF. AZ108 .T74 2005
- Symbol sourcebook; an authoritative guide to international graphic symbols - REF. AZ108 .D74
- Reverse symbolism dictionary : symbols listed by subject - REF. AZ108 .R48 1992
A handful of reference books in the B call numbers may be helpful for symbolism in dreams and mythology:
- The dream encyclopedia - REF. BF1091 .L53 2009
- Man, myth & magic : the illustrated encyclopedia of mythology, religion and the unknown - REF. BF1407 .M34 1995
- Dictionary of symbols - REF. BL603 .L5413 1991
- Dictionary of classical mythology : symbols, attributes & associations - REF. BL715 .B44 1982
A couple of titles in G call numbers could be helpful for symbols in folklore and traditions:
- Dictionary of mythology, folklore and symbols - REF. GR35 .J6
- Holiday symbols and customs - REF. GT3930 .T48 2003
For symbols in art, try these titles in N:
- Dictionary of subjects and symbols in art - REF. N7560 .H34 1974
- Saints and their emblems - REF. N8080 .D7 1916 1971r
- Encyclopedia of comparative iconography : themes depicted in works of art - REF. N7560 .E53 1998
A couple of titles in T 223 include business logos/trademarks:
- Symbols of America - REF. T223.V2 M7 1986
- Symbols of power & progress : American trademarks 1930 to 1950 - REF. T223.V2 M4 1983