http://book.klll.cc/ebooks/author/53380.opds?sort_order=title 2025-11-16T18:01:10Z Books by Gardner, Carl E. (Carl Edward) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T18:01:10Z https://en.wikipedia.org/wiki/Carl_E._Gardner See also: en.wikipedia 2025-11-16T18:01:10Z https://book.klll.cc/ebooks/65500.opds Essentials of Music Theory: Elementary Carl E. Gardner