Theory books, solfeggio
/ Edited by
Dürr, Walther
(6 proizvodov)
Schubert Liedlexikon (BVK1506)
Schubert-Handbuch (BVK2396)
Schubert-Jahrbuch 1997 (BVK1465)
Schubert-Jahrbuch 1998 (BVK1477)
Schubert-Jahrbuch 1999 (BVK1494)
Schubert-Jahrbuch 2000-2002 (BVK1761)