TVA, the first twenty years : a staff report / edited by Roscoe C. Martin. / - University, Al. : University of Alabama Press, 1956. - xiii, 282 p. : map (on lining papers) diagrs., tables ; 25 cm. Index includes. Subjects--Corporate Names: Tennessee Valley Authority. Subjects--Topical Terms: TVA Dewey Class. No.: 351.7 / MAT 1956