Brumbaugh, Martin A. Business statistics / Martin A. Brumbaugh, Lester S. Kellogg with the collaboration of Irene J. Graham - Chicago : R. D. Irwin, inc. , 1947 - xv, 913p. : ill. ; 24 cm. Includes bibliographies. Subjects--Topical Terms: BusinessStatistics Dewey Class. No.: 311 / BRU