CHT290597 Cover of score of the operetta \'Showboat\', produced at the Theatre du Chatelet in 1928 (colour litho) by French School, (20th century); Private Collection; (add.info.: libretto by Oscar Hammerstein II (1895-1960); music by Jerome Kern (1885-1945); very famous light opera based on the best-selling 1926 novel of Edna Ferber (1885-1968);); 穢 Archives Charmet; French, out of copyright.