http://book.klll.cc/ebooks/author/7063.opds?sort_order=release_date 2025-11-16T10:28:11Z Books by Hayes, C. F. (Charles Frederic) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T10:28:11Z http://eo.wikipedia.org/wiki/Charles_Frederic_Hayes See also: eo.wikipedia 2025-11-16T10:28:11Z https://book.klll.cc/ebooks/16967.opds English-Esperanto Dictionary (Esperanto) J. C. O'Connor and C. F. Hayes