Criscenzo J. "Mayan Numbers"
http://www.criscenzo.com/jaguar/numbers.html,
(Feb 2001) Jenkins J."Mayan Calender and Cosmology"
http://www.civilization.ca/membrs/quilz/maya/mmcobeng.html
(Feb 2001) Seek a word applet at
library.thinkquest.org/J0112605/seek.htm from Eric
Harshbarger at Applet Depot at
http://www.ericharshbarger.com/java/ free for noncomercial
use, (Feb 2001)