Project Gutenberg 2011-07-06 Public domain in the USA. 212 Lagrange, J. L. (Joseph Louis) 1736 1813 Lagrange, Joseph Louis, comte McCormack, Thomas J. (Thomas Joseph) 1865 1932 McCormack, Thomas Joseph McCormack, Thomas Lectures on Elementary Mathematics en Mathematics QA Text Mathematics 892352 2011-07-06T11:11:47 application/pdf 9713 2025-10-15T04:35:50.378715 application/rdf+xml 348650 2021-06-11T17:21:16 application/prs.tex 14234 2025-10-15T04:35:50.295738 image/jpeg 3338 2025-10-15T04:35:50.042760 image/jpeg 665010 2011-07-06T11:11:47 application/octet-stream application/zip 259115 2021-06-11T17:21:16 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