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 Project Gutenberg 2006-11-15 Public domain in the USA. 98 Nietzsche, Friedrich Wilhelm 1844 1900 Der tolle Mensch de Philosophy, German B Sound DE Sachbuch 23115 2021-01-30T11:04:30 text/html 2125037 2006-11-13T04:55:45 audio/ogg 635761 2006-11-13T04:51:51 audio/mp4 4616195 2006-11-13T04:54:30 audio/mpeg 227266 2006-11-13T04:55:54 audio/ogg 22520 2006-11-14T12:15:21 text/plain; charset=us-ascii 14443 2025-08-08T10:44:28.897133 application/rdf+xml 12093 2025-08-08T10:44:28.828117 image/jpeg 3046 2025-08-08T10:44:28.588118 image/jpeg 580378 2009-05-24T20:57:48 application/octet-stream application/zip 4452766 2009-05-24T20:57:48 application/octet-stream application/zip 2117475 2009-05-24T20:57:48 application/octet-stream application/zip 207879 2009-05-24T20:57:48 application/octet-stream application/zip de.wikipedia en.wikipedia