http://book.klll.cc/ebooks/subject/25301.opds 2025-09-19T16:53:22Z Books about Mineral industries -- England -- History -- To 1500 (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 2025-09-19T16:53:22Z https://book.klll.cc/ebooks/48588.opds English Industries of the Middle Ages L. F. Salzman