1. MUS RP 854 Reference (shelfmark): MUS RP 854 Title: Scope & Content: Photocopy of Felix Mendelssohn-Bartholdy: 3 motets, op 69. Autograph. Creation date of original: [1847]. Collection Area: Music Collections Languages: Undetermined Date Range: 31 May 1973 Extent: 26 photocopies