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 1993-02-01 Public domain in the USA. 27 Kerr, Stan The Square Root of 2 en Mathematics Square root QA Dataset Mathematics Browsing: Mathematics Browsing: Science - General 1175941 2021-01-01T05:43:05 text/plain; charset=us-ascii 555585 2021-01-01T05:43:05 text/plain; charset=us-ascii application/zip 5983 2024-09-01T03:47:42.226308 application/rdf+xml