Project Gutenberg 2006-02-01 Public domain in the USA. 107 Hathaway, Arthur S. (Arthur Stafford) 1855 1934 Hathaway, Arthur Stafford A Primer of Quaternions en Quaternions QA Text Mathematics 621107 2015-04-25T07:54:05 application/pdf 9675 2025-07-04T10:17:36.490706 application/rdf+xml 191366 2015-04-25T07:54:05 application/prs.tex 14596 2025-07-04T10:17:36.427724 image/jpeg 4028 2025-07-04T10:17:36.157717 image/jpeg 604892 2015-04-25T07:54:05 application/octet-stream application/zip 207698 2015-04-25T07:54:05 application/octet-stream application/zip 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