GROUP OF BOOKS ON AMERICAN MUSICAL THEATER. including: NOEL COWARD, "Bon Voyage", 1st edition; COWARD, "Play Parade"; CHARLES CASTLE, "Noel"; SOPHIE TUCKER, "Some of These Days"; MARIE DRESSLER, "The Life Story of An Ugly Duckling"; CHARLES STEIN, "American Vaudeville"; EDDIE CANTOR, "As I Remember Them"; BERNARD SOBEL, "A Pictorial History of Vaudeville"; DANIEL BLUM, "A Pictorial History of the American Theatre"; and others, as well as numerous books on American culture at the turn and early part of the 20th century Estimate $40-60