Beresniak, Daniel
Symbols of freemasonry
Editions Assouline, 1997
 Buku Referensi
Ouaknin, Marc-Alain
Symbols of Judaism
Editions Assouline, 1997
 Buku Referensi
Chebel, Malek
Symbols of Islam
Editions Assouline, 1997
 Buku Referensi
Chevalier, Jean
A dictionary of symbols
Blakwell, 1994
 Buku Referensi
Burke, Kenneth
On symbols and society
University of Chicago Press, 1989
 Buku Teks SO