Project Gutenberg 1993-02-01 Public domain in the USA. 93 Kerr, Stan The Square Root of 2 en Mathematics Square root QA Dataset Mathematics 1175941 2021-01-01T05:43:05 text/plain; charset=us-ascii 555585 2021-01-01T05:43:05 text/plain; charset=us-ascii application/zip 6995 2025-10-01T03:45:38.944618 application/rdf+xml 12230 2025-10-01T03:45:38.884632 image/jpeg 3482 2025-10-01T03:45:38.646595 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