http://book.klll.cc/ebooks/subject/15624.opds?sort_order=title 2025-08-14T17:44:26Z Books about Astronomy, Ancient (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-14T17:44:26Z https://book.klll.cc/ebooks/subject/15624.opds?sort_order=release_date Sort by Release Date 2025-08-14T17:44:26Z https://book.klll.cc/ebooks/subject/15624.opds?sort_order=downloads Sort by Popularity 2025-08-14T17:44:26Z https://book.klll.cc/ebooks/70052.opds Ancient calendars and constellations Emmeline M. Plunket 2025-08-14T17:44:26Z https://book.klll.cc/ebooks/64489.opds Dante and the early astronomers M. A. Orr 2025-08-14T17:44:26Z https://book.klll.cc/ebooks/39553.opds Einiges aus der Geschichte der Astronomie im Alterthum (German) Friedrich Blass