found: Her Double joy, c1982: caption (Libby Larsen)
found: American Soviet Youth Orchestra. The American Soviet Youth Orchestra 1988 tour [SR] p1988: label (Larsen) program notes (Libby Larsen; b. 1950, Wilmington, Del.)
found: Words upon the windowpane, 1978: t.p. (Elizabeth Brown Larsen, U. of Minn. Ph. D. thesis)
found: American conductors and composers in performance [VR] c1987: end credits (Libby Larsen, resident composer, Minnesota Symphony)
found: Norton/Grove dict. of women composers (Larsen (Reece), Libby (Elizabeth) (Brown); b. Dec. 24, 1950, Wilmington, DE; American composer)