Project Gutenberg 2003-01-01 Public domain in the USA. 190 De Forest, Norman L. The Square Root of 4 to a Million Places Produced by Norman L. de Forest en Square root Mathematics -- Humor QA Dataset Mathematics 1161234 2021-01-08T22:37:37 text/plain; charset=us-ascii 7090 2025-08-02T08:29:31.252281 application/rdf+xml 14469 2025-08-02T08:29:31.179285 image/jpeg 3620 2025-08-02T08:29:30.926283 image/jpeg 12587 2021-01-08T22:37:37 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