The index gathers the institutions holding the recorded sources, identified by their RISM siglum where available. Each library points to the catalogue's sources of which it holds at least one copy.

A
B
C
D
E
F
G
H
J
L
M
N
O
P
R
S
T
U
V
W
  • Macerata, Biblioteca Comunale (I-MAC)
  • Madrid, Biblioteca Nacional (E-Mn)
  • Manchester, Central Library, Henry Watson Music Library (GB-Mp)
  • Meiningen, Staatliche Museen, Abteilung Musikgeschichte, Max-Reger-Archiv (D-MEIr)
  • Milano, Biblioteca Nazionale Braidense (I-Mb)
  • Milano, Biblioteca del Conservatorio Statale di Musica "Giuseppe Verdi" (I-Mc)
  • Modena, Biblioteca Estense e Universitaria (I-MOe)
  • Montecassino, Biblioteca dell'Abbazia (I-MC)
  • Muenchen, Bayerische Staatsbibliothek (D-Mbs)
  • Münster, Santini-Bibliothek (in D-MUp) (D-MÜs)