http://book.klll.cc/ebooks/subject/24625.opds?sort_order=title 2025-11-17T03:15:58Z Books about Copperwork Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T03:15:58Z https://book.klll.cc/ebooks/47040.opds Chats on Old Copper and Brass Fred. W. Burgess 2025-11-17T03:15:58Z https://book.klll.cc/ebooks/41851.opds Copper Work: A Text Book for Teachers and Students in the Manual Arts Augustus F. Rose