Project Gutenberg 2011-08-30 Public domain in the USA. 694 Young, Charles A. (Charles Augustus) 1834 1908 Young, Charles Augustus Young, C. A. (Charles Augustus) A Textbook of General Astronomy for Colleges and Scientific Schools en Astronomy QB Text Astronomy 14752343 2011-08-30T17:23:18 application/pdf 9243 2025-08-15T07:57:49.605368 application/rdf+xml 1605602 2011-08-30T17:23:18 application/prs.tex 24462 2025-08-15T07:57:49.534385 image/jpeg 4535 2025-08-15T07:57:49.285381 image/jpeg 13806085 2011-08-30T17:23:22 application/octet-stream application/zip 12570406 2011-08-30T17:23:20 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia