Gematria Database
   Interactive search engine and database for calculating the value of Hebrew letters.
   http://www.hermeticsoft.com/gematria/index.html

Guide-to-Symbols
   Images and descriptions of some of the more profound religious symbols and ancient alphabets.
   http://www.guide-to-symbols.com/

Isopsephia Calculator
   Automatically calculates gematria based on the Greek, Hebrew and three different Roman systems.
   http://www.cs.utk.edu/~mclennan/OM/BA/Isopsephia.html

Occult Symbols and Original .GIFs
   Occult symbols and esoteric web graphics, free for the downloading.
   http://www.esotericarchives.com/gifs/gifs.htm

Religious Symbol Glossary
   A visual dictionary of mystical, cultural, and mythological symbols from more than thirty faiths, groups, and movements.
   http://altreligion.about.com/library/glossary/blsymbols.htm

Symbols
   Intends to bring together various traditions from all over the world to focus on key symbols both ancient and more recent in order to approach their common origin.
   http://users.belgacom.net/symbolisme

Symbols.Com - Western Signs and Ideograms
   A large collection of symbols and signs found in Western Culture and esoteric schools of thought.
   http://www.symbols.com/

The Mystica: Sigils
   Brief article on sigils.
   http://www.themystica.org/mystica/articles/s/sigils.html

The Ouroboros - A Personal Symbology
   Read an essay about the symbolism of the Ouroboros, a snake biting its own tail. View accompanying images of this ancient symbol.
   http://www.literate-lemur.com/ouroboros

Truetype Fonts
   Truetype fonts of ancient alphabets and mythic symbols, including Ogham and Runic scripts.
   http://www.csupomona.edu/~jcclark/fonts/

Upon Reflection
   Symbols and imagery used in the ancient world. Covering aspects of runes, Ogham, hieroglyphics and deities.
   http://www.uponreflection.co.uk