File Let Evening Come Box 58 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File Liberty Enlightening the World Box 54 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File Lilith, 1984 Box 43 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File Lime Jello Marshmallow Cottage Cheese Surprise Box 31 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File Lyric Concerto Box 58 (see also Box 70) In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File Lyric Concerto, 1992-1993 Box 70 (See also Box 58) (includes Impromptu, 1960) In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File Lyric Concerto for Flute and Orchestra, 1992-1993 Box 32 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File Mary Box 31 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File The Mask Box 31 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)
File May-Day, 2002 Box 43 In: William Bolcom and Joan Morris papers, circa 1950-2014, 2018, undated » Scores, circa 1950-2011 (scattered)