by Dykes, Benjamin N.
$32.40
by Obert, Charles
$21.51
by Bonatti, Guido
$22.46
by Abu Ma'shar
by Of Carinthia, Hermann
by Al-Kindi, Abu Yusuf
$14.39
$31.50
by Thebes, Hephaistion of
by Doser, Oner
$11.66