Alphabetic Principle in Beginning Reading - http://reading.uoregon.edu/au/ Quite complete.

Gaining Alphabetic Insight - http://www.auburn.edu/~murraba/insight.html  A research article looking at the importance of knowing the letter names as compared to phonemic awareness.

Learning the Alphabet - http://www.ciera.org/library/presos/2001/2001nrc/01nrcstahl/01nrcsta.pdf This pdf file could be used in a PowerPoint for parents; from University of Georgia.

Reading Rockets - Alphabetic Principle - http://www.readingrockets.org/firstyear/fyt.php?SUB=32 A synopsis