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 2020-08-08 Public domain in the USA. 135 Desautels, Paul E. 1920 1991 65060068 Gems in the Smithsonian Institution Produced by Stephen Hutcheson and the Online Distributed Proofreading Team at https://www.pgdp.net en Precious stones Gems Smithsonian Institution NK Text Browsing: Art & Photography Browsing: Culture/Civilization/Society Browsing: Science - General 182135 182141 2024-07-26T05:05:57.309191 2023-09-27T05:15:29.058352 text/html text/html 171546 2020-08-07T21:16:12 text/html; charset=utf-8 5636441 2020-08-07T21:16:16 text/html; charset=utf-8 application/zip 6166362 2024-07-26T05:06:06.259139 application/epub+zip 6169893 2024-07-26T05:06:01.266192 application/epub+zip 117745 2024-07-26T05:05:59.341193 application/epub+zip 6219709 2024-07-26T05:06:09.290093 application/x-mobipocket-ebook 6194801 2024-07-26T05:06:04.422096 application/x-mobipocket-ebook 163332 2022-09-28T10:45:55.138779 application/x-mobipocket-ebook 138659 138666 2024-07-26T05:05:56.339137 2023-09-27T05:15:28.234339 text/plain; charset=us-ascii text/plain 138942 2020-08-07T21:16:08 text/plain; charset=utf-8 49333 2020-08-07T21:16:14 text/plain; charset=utf-8 application/zip 17741 2024-07-26T05:06:09.433100 application/rdf+xml 18839 2024-07-26T05:05:59.460175 image/jpeg 2536 2024-07-26T05:05:59.400142 image/jpeg 5681753 2024-07-26T05:05:57.717153 application/octet-stream application/zip