1. MS Mus. 1748/1/6 Reference (shelfmark): MS Mus. 1748/1/6 Title: Edna Iles Medtner Collection. Piano concerto no. 1. Negative photostat copy. Scope & Content: Piano concerto no. 1. Annotated negative photostat reproduction of the Muzikal'noe Izdatel'stvo publication (Moscow, 1921). Collection Area: Music Collections Languages: English Date Range: c 1934-c 1940 Extent: 181 folios