Project Gutenberg 2009-09-05 Public domain in the USA. 347 Besant, W. H. (William Henry) 1828 1917 Besant, William Henry Conic Sections: Treated Geometrically and, George Bell and Sons Educational Catalogue en Conic sections QA Text Mathematics Browsing: Mathematics Browsing: Science - General 2076062 2009-09-06T13:38:07 application/pdf 1785541 2009-09-06T13:38:07 application/pdf application/zip 748045 2009-09-06T13:38:07 application/prs.tex 1089168 2009-09-06T13:38:07 application/prs.tex application/zip 9765 2025-06-12T10:53:49.711069 application/rdf+xml 14994 2025-06-12T10:53:49.636056 image/jpeg 3369 2025-06-12T10:53:49.360097 image/jpeg Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia