Hennessy, Jeff T. <br/><br/>Trampolining Jeff T. Hennessy  -- Dubuque, IA  Wm.C. Brown PUblishers  1968 <br/>vii, 62p.  23cm. <br/><br/> Includes bibliographical references and index <br/><br/><label>ISBN: </label>0697070344 <br/><br/><label>Subjects--Topical Terms: </label><br/>Trampolining<br/>Exercise<br/><br/><label>Dewey Class. No.: </label>GC 796.47 H392 1968