Signet, Signal, Symbol : Handbuch internationaler Zeichen = Embleme, signal, symbole : repertoire de signes internationaux = Signet, signal, symbol : handbook of international sign...

‌ Diethelm, Walter, 1913-
Հրապարակվել է 1984

The Continuum encyclopedia of symbols /

‌ Becker, Udo
Հրապարակվել է 1994

The book of signs, which contains all manner of symbols used from the earliest times to the Middle Ages by primitive peoples and early Christians,

‌ Koch, Rudolf, 1876-1934
Հրապարակվել է 1955