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Figure This!
Books

The World Almanac and Book of Facts 2000. Mahwah, NJ: World Almanac Books, 1999.

 

Hermetic Systems
The History of Julian and Gregorian calendars.
http://serendipity.magnet.ch/hermetic/cal_stud/cal_art.htm

Orthodox Cathedral of St. John the Baptist
On the question of the "Revised Julian Calendar".
www.stjohndc.org/what/9609ca1.htm

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