http://book.klll.cc/ebooks/subject/31109.opds 2025-11-16T02:12:36Z Books about Symmes, John Cleves, 1780-1829 Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T02:12:36Z https://book.klll.cc/ebooks/54329.opds Symmes's Theory of Concentric Spheres John Cleves Symmes and James McBride