http://book.klll.cc/ebooks/subject/29320.opds 2025-09-23T18:02:33Z Books about Bimetallism (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-23T18:02:33Z https://book.klll.cc/ebooks/50581.opds Remarks on the production of the precious metals Léon Faucher