http://book.klll.cc/ebooks/author/34191.opds?sort_order=release_date 2025-11-15T00:30:28Z Books by Slaught, H. E. (Herbert Ellsworth) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T00:30:28Z https://en.wikipedia.org/wiki/Herbert_Ellsworth_Slaught See also: en.wikipedia 2025-11-15T00:30:28Z https://book.klll.cc/ebooks/29807.opds Solid Geometry with Problems and Applications (Revised edition) N. J. Lennes and H. E. Slaught