http://book.klll.cc/ebooks/author/24868.opds 2025-11-14T17:43:01Z Books by Simmons, W. H. (William Herbert) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-14T17:43:01Z https://book.klll.cc/ebooks/21724.opds The handbook of soap manufacture W. H. Simmons and H. A. Appleton