Carl E. (Carl Eugen) Guthe
A Possible Solution of the Number Series on Pages 51 to 58 of the Dresden Codex
Carl E. (Carl Eugen) Guthe · 2013
Public domain, Project Gutenberg. No sign-up.
Codex Dresdensis Maya
Carl E. (Carl Eugen) Guthe · 2013
Public domain, Project Gutenberg. No sign-up.