1927. Contents: Ancestry of the Alphabets re The Phoenicians; Alphabetic Letters in Pre-Dynastic and Early-Dynastic Egypt and Theories Thereon; How the Sumerian Origin of the Alphabet was Discovered; The Alphabetic Vowel and Consonantal Signs in Sumerian Writing; The So-Called Aphonic Owner_s Mark Signs of Pre-Dynastic and Early-Dynastic Egypt are Sumerian Linear Pictograms; Comparative Alphabetic Tables Showing Sumerian Origin and Evolution of the Alphabetic Letters; Names of the Letters and Objects Pictured; Order of the Alphabet or ABC and Numeral Values of Letters; Authorship of the Alphabetic System and Date; and Some Historical Effects of the Discoveries.