Claudius Ptolemy
has moved!
If you aren't automatically redirected, use this link to get to the new page:
http://www.grtbooks.com/ClaudiusPtolemy/
ClaudiusPtolemy
?idx=3&aa=PT&at=TE&yr=1500
Almagest.asp
Almagest
Tetrabiblos.asp
Tetrabiblos