The practice of exposition / Joseph M. Bachelor and Harold L. Haley. Bachelor, Joseph M. (Joseph Morris), 1889-1947. Haley, Harold Leroy, 1904- joint author. Exposition (Rhetoric) American essays. English essays. 808 BAB New York : D. Appleton-Century, 1947. 1947. 1947 Text x, 374 p. ; eng