GERSHWIN, GEORGE, composer. The Theatre Guild Presents Porgy and Bess. Music by George Gershwin. Libretto by Du Bose Heyward... [piano-vocal score], New York: Gershwin Publishing Corp., [n.d.], 4to, 559 pp., original printed paper wrappers, cloth-backed spine, joints weak, corners rubbed, red pencil mark on upper cover, probably the first printing of the piano-vocal score, PRESENTATION COPY, INSCRIBED TO GERSHWIN'S COMPOSITION TEACHER in ink beneath the frontispiece portrait: "For Joseph Schillinger In appreciation of his great talent as a teacher & with all my best wishes. Feb. 1936 George Gershwin."