Prelude by Bach: For Two Guitars/ Musik Fur 2 Gitarren (Edition Margaux) (English and German Edition): Koshkin, Nikita: 9780786663347: Amazon.com: Books
J.S. Bach, Anton Stingl, Ilse Breitruck – Die Zweistimmigen Inventionen Für 2 Gitarren / The Two Part Inventions For Two Guitars (1984, DMM, Vinyl) - Discogs
Guitar Anatomy - Understanding the Different Parts of the Guitar