http://book.klll.cc/ebooks/author/48406.opds 2025-09-07T07:12:01Z Books by Schaeffer, Herm. (Hermann) (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 2025-09-07T07:12:01Z https://book.klll.cc/ebooks/55584.opds The Manufacture of Chocolate and other Cacao Preparations Paul Zipperer