Project Gutenberg 2017-04-26 Public domain in the USA. 246 Spencer, Herbert 1820 1903 The Principles of Biology, Volume 1 (of 2) Produced by Keith Edkins, MFR, Adrian Mastronardi and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) en Biology QH Text Browsing: Science - General Browsing: Science - Genetics/Biology/Evolution 1716744 1716757 2024-08-22T14:11:17.094996 2023-09-23T12:28:32.378597 text/html text/html 1725964 2017-04-26T16:55:10 text/html; charset=iso-8859-1 1386332 2017-04-26T16:55:24 text/html; charset=iso-8859-1 application/zip 1442737 2024-08-22T14:11:38.587903 application/epub+zip 1470940 2024-08-22T14:11:20.945963 application/epub+zip 714055 2024-08-22T14:11:18.650997 application/epub+zip 1596643 2024-08-22T14:11:51.810869 application/x-mobipocket-ebook 1478284 2024-08-22T14:11:35.828894 application/x-mobipocket-ebook 1055840 2022-09-24T21:37:45.018703 application/x-mobipocket-ebook 1573457 1573223 2024-08-22T14:11:14.684037 2023-09-23T12:28:30.190571 text/plain; charset=us-ascii text/plain 1572927 2017-04-26T16:55:08 text/plain; charset=iso-8859-1 535471 2017-04-26T16:55:22 text/plain; charset=iso-8859-1 application/zip 18129 2024-08-22T14:11:51.991820 application/rdf+xml 8217 2024-08-22T14:11:18.853000 image/jpeg 1594 2024-08-22T14:11:18.752993 image/jpeg 1463081 2024-08-22T14:11:17.310049 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