Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog Project Gutenberg 2006-02-01 Public domain in the USA. 50 Hathaway, Arthur S. (Arthur Stafford) 1855 1934 Hathaway, Arthur Stafford A Primer of Quaternions en Quaternions QA Text Mathematics Browsing: Mathematics Browsing: Science - General 621107 2015-04-25T07:54:05 application/pdf 191366 2015-04-25T07:54:05 application/prs.tex 207698 2015-04-25T07:54:05 application/prs.tex application/zip 9674 2024-10-04T12:38:51.391014 application/rdf+xml 14596 2024-10-04T12:38:51.324998 image/jpeg 4028 2024-10-04T12:38:51.049036 image/jpeg 604892 2015-04-25T07:54:05 application/octet-stream application/zip en.wikipedia