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 2007-06-30 Public domain in the USA. 72 Adler, Felix 1851 1933 The Essentials of Spirituality Produced by David B. Alexander en Spiritual life BJ Text Browsing: Philosophy & Ethics Browsing: Religion/Spirituality/Paranormal 129713 129657 2024-08-09T11:57:20.385220 2023-09-10T04:56:16.343459 text/html text/html 98836 2024-08-09T11:57:24.042208 application/epub+zip 129706 129650 2024-08-09T11:57:20.541271 2023-09-10T04:56:16.472447 text/html text/html 99450 2024-08-09T11:57:21.766204 application/epub+zip 99451 2024-08-09T11:57:20.994231 application/epub+zip 216553 2024-08-09T11:57:25.844185 application/x-mobipocket-ebook 208398 2024-08-09T11:57:23.544213 application/x-mobipocket-ebook 208607 2022-09-10T10:21:25.080835 application/x-mobipocket-ebook 120137 120124 2024-08-09T11:57:20.204213 2023-09-10T04:56:16.180444 text/plain; charset=us-ascii text/plain 119974 2007-06-30T18:13:14 text/plain; charset=us-ascii 45712 2007-06-30T18:13:14 text/plain; charset=us-ascii application/zip 16798 2024-08-09T11:57:25.971167 application/rdf+xml 16218 2024-08-09T11:57:21.342192 image/jpeg 4032 2024-08-09T11:57:21.176200 image/jpeg 98930 2024-08-09T11:57:20.554227 application/octet-stream application/zip en.wikipedia