http://book.klll.cc/ebooks/author/57294.opds?sort_order=title 2025-11-18T16:46:31Z Books by Hilgard, Eugene W. (Eugene Woldemar) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T16:46:31Z https://en.wikipedia.org/wiki/Eugene_W._Hilgard See also: en.wikipedia 2025-11-18T16:46:31Z https://book.klll.cc/ebooks/73975.opds Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions Eugene W. Hilgard