http://book.klll.cc/ebooks/author/49710.opds?sort_order=downloads 2025-11-17T11:10:50Z Books by Valentini, Philipp J. J. (Philipp Johann Josef) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T11:10:50Z https://en.wikipedia.org/wiki/Philipp_J._J._Valentini See also: en.wikipedia 2025-11-17T11:10:50Z https://book.klll.cc/ebooks/57961.opds Mexican Copper Tools: The Use of Copper by the Mexicans Before the Conquest; and the Katunes of Maya History, a Chapter in the Early History of Central America, With Special Reference to the Pio Perez Manuscript. Philipp J. J. Valentini