http://book.klll.cc/ebooks/author/51012.opds 2025-08-22T20:11:14Z Books by Harris, George Frederick (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 2025-08-22T20:11:14Z https://en.wikipedia.org/wiki/George_Frederick_Harris_(geologist) See also: en.wikipedia 2025-08-22T20:11:14Z https://book.klll.cc/ebooks/60550.opds The Science of Brickmaking George Frederick Harris