http://book.klll.cc/ebooks/author/38740.opds 2025-11-14T23:58:03Z Books by Young, Charles A. (Charles Augustus) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-14T23:58:03Z https://en.wikipedia.org/wiki/Charles_Augustus_Young See also: en.wikipedia 2025-11-14T23:58:03Z https://book.klll.cc/ebooks/37275.opds A Textbook of General Astronomy for Colleges and Scientific Schools Charles A. Young