39683.git/README.md, branch main Memoranda on the Maya Calendars Used in the Books of Chilan... initial commit of ebook 39683 2025-10-15T03:13:22+00:00 Roger Frank rfrank@pglaf.org 2025-10-15T03:13:22+00:00 3e563869a46a2077900974942862b48ea62ee9a6