Originál: J.S. Bach. all occurringfugues, doule-fugues, play-fugues and more are four-handed at most. The Art Of Fugue. Peters Edition. Organ.
Preklad: J.Š. Bach. Umenie fúgy. Noty. Varhany. ORG. J.Š. Bach. The Kunst der Fuge is a cycle of fourteen fugues and four canon.
