http://book.klll.cc/ebooks/author/49733.opds 2025-11-14T11:03:59Z Books by Kozminsky, Isidore Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-14T11:03:59Z https://book.klll.cc/ebooks/57980.opds The Magic and Science of Jewels and Stones Isidore Kozminsky