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 2008-08-01 Public domain in the USA. 40 United States Rubber Company Company, United States Rubber U.S. Rubber Company Martin, John 1865 1947 Shepard, Morgan The Romance of Rubber en Rubber TS Sound Browsing: Computers & Technology Browsing: Engineering & Construction Browsing: Science - General 22579 2008-08-11T15:13:34 text/plain 23184 2021-01-30T11:07:22 text/html 9395357 2008-08-10T01:26:32 audio/ogg 3980143 2008-08-10T01:14:09 audio/mp4 20254415 2008-08-10T01:22:36 audio/mpeg 2230681 2008-08-10T01:27:29 audio/ogg 9401 2024-09-11T08:43:37.300015 application/rdf+xml en.wikipedia