Kellison, Stephen G. The theory of interest - Homewood, Ill. : Irwin, 1970 - 243 p. - Irwin series in insurnance and economic security . - Irwin series in insurnance and economic security . LCCN: 27264 Subjects--Topical Terms: Interés y usura. Dewey Class. No.: 332.82 / K4