Project Gutenberg 2000-10-01 Public domain in the USA. 184 Darwin, Charles 1809 1882 Darwin, Charles Robert The Formation of Vegetable Mould Through the Action of Worms With Observations on Their Habits David Price en Earthworms Soils Humification QH Text Browsing: Science - Earth/Agricultural/Farming Browsing: Science - General 411958 411921 2024-08-01T13:02:46.624353 2023-10-01T11:43:32.294650 text/html text/html 414229 2021-11-05T15:22:52 text/html 3142767 2024-08-01T13:02:52.164330 application/epub+zip 3143069 2024-08-01T13:02:47.491355 application/epub+zip 205414 2024-08-01T13:02:46.991351 application/epub+zip 3251838 2024-08-01T13:02:56.023319 application/x-mobipocket-ebook 3220713 2024-08-01T13:02:51.466415 application/x-mobipocket-ebook 292485 2022-09-02T03:43:32.954106 application/x-mobipocket-ebook 382416 382422 2024-08-01T13:02:46.143332 2023-10-01T11:43:31.768655 text/plain; charset=us-ascii text/plain 382149 2021-11-05T15:24:17 text/plain; charset=us-ascii 17816 2024-08-01T13:02:56.164279 application/rdf+xml 17150 2024-08-01T13:02:47.098337 image/jpeg 2733 2024-08-01T13:02:47.044332 image/jpeg 131031 2021-11-05T15:24:42 application/octet-stream application/zip 3222726 2021-11-05T15:25:02 application/octet-stream application/zip 3268396 2024-08-01T13:02:46.719401 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 en.wikipedia