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1by Curtis, Mary Isabel### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1931Boston ; New York [etc.] : Allyn and Bacon, [c1931]xix p., 1 l., 493 p. : front., ill. (incl. plans) ; 20 cm. -
2by Curtis, Mary Isabel### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1947Chicago, Lyons & Carnahan [1947]ix, 118 p. illus. 21 cm.