Phonecian Encyclopedia
Encyclopedia Phoeniciana: Picture Writing to Alphabet
This site, from the Encyclopedia Phoeniciana, presents a comprehensive chart that shows the gradual development of different world languages from primitive scripts.
Other
Art of Arabic Calligraphy: The Language and the Script
A four part essay by Mamoun Sakkal regarding the history and use of the Arabic Alphabet. The site has intriguing articles about the evolution of the alphabet.
Other
Ancient Scripts: Writing Systems
History and definition of writing, plus extensive information on the types, families, and regions of written languages. For each language, you'll find information on when and where it was used, the people who used it, and what it looked...