http://book.klll.cc/ebooks/author/38740.opds?sort_order=title 2025-11-16T15:43:46Z 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 2025-11-16T15:43:46Z https://en.wikipedia.org/wiki/Charles_Augustus_Young See also: en.wikipedia 2025-11-16T15:43:46Z https://book.klll.cc/ebooks/37275.opds Textbook of General Astronomy for Colleges and Scientific Schools Charles A. Young