Joseph Alley's enharmonic reed organ
S. Huntington Hooker
1897
S. Huntington Hooker, (1897) "Joseph Alley's Enharmonic Organ" Music vol. 11. Music Magazine Publishing Co., Chicago. p.678 <a rel="nofollow" class="external free" href="https://books.google.com/books?id=SuYEAAAAMAAJ">https://books.google.com/books?id=SuYEAAAAMAAJ</a>