http://www.gutenberg.org/ebooks/subject/17536.opds 2024-11-08T14:10:42Z Books about Nature -- Effect of human beings on (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-08T14:10:42Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/17536.opds?sort_order=title Sort Alphabetically by Title 2024-11-08T14:10:42Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/17536.opds?sort_order=release_date Sort by Release Date 2024-11-08T14:10:42Z https://sendtokindle.compellingsciencefiction.com/ebooks/37957.opds Man and Nature; Or, Physical Geography as Modified by Human Action George P. Marsh 2024-11-08T14:10:42Z https://sendtokindle.compellingsciencefiction.com/ebooks/6019.opds The Earth as Modified by Human Action George P. Marsh