Magazine - The Green Room Pictorial, 1 November 1925 (W.E. Smith Ltd.), 1 November 1925 Music-Box 733 (MS 10757) Unit ID: 17 Date: 1 November 1925
Maggie's Footsteps, composer Wellington Guernsey, (London: A. W. Hammond), n.d. Box 549 (MS 10757) Unit ID: 127 Date: n.d.
Magnificat, composer Carl Philipp Emanuel Bach (G. Schirmer, Jnr.), 1950 Music-Box 397 (MS 10757) Unit ID: 1249 Date: 1950
Mahogonny, Opera in Three Acts, composer Kurt Weill (Universal Edition), n.d. Box 457 (MS 10757) Unit ID: 286 Date: n.d.