http://book.klll.cc/ebooks/author/48938.opds?sort_order=title 2025-08-13T14:05:19Z Books by Procter, H. R. (Henry Richardson) (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-13T14:05:19Z https://book.klll.cc/ebooks/author/48938.opds?sort_order=release_date Sort by Release Date 2025-08-13T14:05:19Z https://book.klll.cc/ebooks/author/48938.opds?sort_order=downloads Sort by Popularity 2025-08-13T14:05:19Z https://book.klll.cc/ebooks/57548.opds Principles of Leather Manufacture H. R. Procter 2025-08-13T14:05:19Z https://book.klll.cc/ebooks/56601.opds Text-book of Tanning H. R. Procter