Umbreit, Myron Henry. Economics: an introduction to principles and problems [by] Myron H. Umbreit, Elgin F. Hunt [and] Charles V. Kinter. - 3d ed. - New York McGraw-Hill 1957. - 637 p. illus. 24 cm. First ed. published in 1948 under title: Fundamentals of economics. LCCN: 56012544 Subjects--Topical Terms: Economics LC Class. No.: HB171.5 / .U5 1957 Dewey Class. No.: 330.1