http://book.klll.cc/ebooks/subject/10046.opds 2025-08-02T20:55:44Z Books about Conic sections (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 2025-08-02T20:55:44Z https://book.klll.cc/ebooks/subject/10046.opds?sort_order=title Sort Alphabetically by Title 2025-08-02T20:55:44Z https://book.klll.cc/ebooks/subject/10046.opds?sort_order=release_date Sort by Release Date 2025-08-02T20:55:44Z https://book.klll.cc/ebooks/29913.opds Conic Sections: Treated Geometrically W. H. Besant 2025-08-02T20:55:44Z https://book.klll.cc/ebooks/17204.opds Researches on curves of the second order George Whitehead Hearn