http://book.klll.cc/ebooks/author/45986.opds?sort_order=downloads 2025-11-15T23:21:26Z Books by Hankey, Thomson Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T23:21:26Z https://en.wikipedia.org/wiki/Thomson_Hankey See also: en.wikipedia 2025-11-15T23:21:26Z https://book.klll.cc/ebooks/50581.opds Remarks on the production of the precious metals Léon Faucher