http://book.klll.cc/ebooks/author/39198.opds?sort_order=release_date 2026-01-13T20:50:55Z Books by Hoover, Lou Henry Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2026-01-13T20:50:55Z https://en.wikipedia.org/wiki/Lou_Henry_Hoover See also: en.wikipedia 2026-01-13T20:50:55Z https://book.klll.cc/ebooks/38015.opds De Re Metallica, Translated from the First Latin Edition of 1556 Georg Agricola