Project Gutenberg 1998-04-01 Public domain in the USA. 57 Lefebure, Victor The Riddle of the Rhine: Chemical Strategy in Peace and War en Gases, Asphyxiating and poisonous -- War use Chemical warfare World War, 1914-1918 -- Chemical warfare Interessengemeinschaft der Deutschen Teerfarbenfabriken UG Text World War I Browsing: History - Warfare Browsing: Politics Browsing: Science - Chemistry/Biochemistry/Physics 529666 529675 2024-08-01T09:14:48.982478 2023-10-01T08:22:19.339518 text/html text/html 248913 2024-08-01T09:14:55.666471 application/epub+zip 529659 529668 2024-08-01T09:14:49.205518 2023-10-01T08:22:19.522552 text/html text/html 256089 2024-08-01T09:14:50.757497 application/epub+zip 256089 2024-08-01T09:14:49.853500 application/epub+zip 489989 2024-08-01T09:14:59.614414 application/x-mobipocket-ebook 469011 2024-08-01T09:14:55.034470 application/x-mobipocket-ebook 395195 2022-08-01T08:40:24.616510 application/x-mobipocket-ebook 502027 502055 2024-08-01T09:14:48.597482 2023-10-01T08:22:19.011541 text/plain; charset=us-ascii text/plain 493463 2015-04-02T14:15:56 text/plain; charset=us-ascii 175435 2015-04-02T14:16:16 text/plain; charset=us-ascii application/zip 17370 2024-08-01T09:14:59.744425 application/rdf+xml 22199 2024-08-01T09:14:50.214489 image/jpeg 4657 2024-08-01T09:14:50.033485 image/jpeg 247075 2024-08-01T09:14:49.251488 application/octet-stream application/zip 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