Adams, Walter The structure of American industry: some case studies. - 3d ed. - New York Macmillan 1950. - 588 p. illus. Includes bibliography. LCCN: 91005944 /L/r862 Subjects--Geographic Terms: United States--Industries--Addresses, essays, lectures. LC Class. No.: HC106 / .A34 1961 Dewey Class. No.: 338.7