Oryginalny tekst: J.S. Bach. all occurringfugues, doule-fugues, play-fugues and more are four-handed at most. The Art Of Fugue. Peters Edition. Organ.
Tłumaczenie: J.S. Kawaler. Sztuka Fugi. Nuty. Narząd. ORG. J.S. Kawaler. The Kunst der Fuge is a cycle of fourteen fugues and four canon.