Mintz, Ilse Schueller, 1904 American exports during business cycles, 1879-1958. - [New York] National Bureau of Economic Research, 1961. - 92p.; illus. : 23cm. - National Bureau of Economic Research. \O ccasional paper 76 . Subjects--Topical Terms: Business cycles Subjects--Geographic Terms: United States--Commerce Dewey Class. No.: PS 330.97306273 N37 no.76