Umbach, Arnold W. Successful wrestling : its bases and problems / Arnold W. Umbach and Warren R. Johnson. - Second edition. - Dubuque, Iowa : WM. C. Brown Company Publishers, 1972. - xi, 268 pages : illustration ; 22 centimeter. Includes index. Subjects--Topical Terms: Wrestling. Dewey Class. No.: FOR 796.812 Um1s 1972