http://book.klll.cc/ebooks/author/51012.opds?sort_order=downloads2025-11-18T09:56:35ZBooks by Harris, George FrederickFree eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-11-18T09:56:35Zhttps://en.wikipedia.org/wiki/George_Frederick_Harris_(geologist)See also: en.wikipedia2025-11-18T09:56:35Zhttps://book.klll.cc/ebooks/60550.opdsThe Science of BrickmakingGeorge Frederick Harris