Heidel, William Arthur	^tl¿^'
The frame of the ancient Greek maps. With
a discussion of tne discovery of the sphericity
of the earth.
8:o New York 1937*
=Society, American geographical. Research
ser. No. 20.

Heidel, William Arthur	06. a o •
The frame of the ancient Greek maps. With
a discussion of tne discovery of the sphericity
of the earth.
8:0 New York 1937.
-Society, American geographical. Research
ser. No. 20.
Keoo a .
020029.