File Korn, Richard, 1958-1962 Box 46 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Opera » American Opera Theatre » Promotion
File McWhorter, Charles K., 1957-1961 Box 46 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Opera » American Opera Theatre » Promotion
File Mennin, Peter, 1959-1961 Box 46 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Opera » American Opera Theatre » Promotion
File Metropolitan Opera, 1959 Box 46 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Opera » American Opera Theatre » Promotion
File Music Clubs, National Federation of, 1959-1961 Box 46 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Opera » American Opera Theatre » Promotion
File National Broadcasting Co., 1958-1959 Box 46 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Opera » American Opera Theatre » Promotion
File Peerce, Jan, 1959-1961 Box 46 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Opera » American Opera Theatre » Promotion
File Opera, general, 1959-1961 Box 47 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis
File Catalogue of Amer. Operas (Interlochen Press) In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis
File Correspondence, 1958-1961 2 folders Box 47 In: Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994) » Post-Maddy Administrators, 1958-1995 » Donald Gillis » Catalogue of Amer. Operas (Interlochen Press)