Ptolemy, geography, book 6 : Middle East, Central and North Asia, China. Part 1. text and English/German translations. Helmut Humbach and Susanne Ziegler by Susanne Ziegler
Ptolémée, Claude [0100?-0170?] Humbach, Helmut (1921-...) Ziegler, Susanne. philosophe (19..-...) 1998
