De Carlo, Thomas J. 1932- Handbook of progressive gymnastics / Tom De Carlo. - Englewood Cliffs, N.J. : Prentice-Hall, c1963. - xvi, 240 p. : illus., ports., diagrs. ; 26 cm. Bibliography: p. 233-234. Subjects--Topical Terms: Gymnastics. Dewey Class. No.: 796.41 / DEH 1963