La Porte, William Ralph,  1889-1955. <br/><br/>
The tumbler's manual / 
by William R. La Porte ... and Al G. Renner ... 
 - New York :  Prentice-Hall, inc.,  1938 [printing 1960]. 
 - vi, 122 p. :  illus., diagrs. ;  23 cm. 
 - Prentice-Hall books on health and sports .
<br/><br/>"Selected bibliography": p. 122. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tumbling.
<br/><br/><label>Dewey Class. No.: </label>796.47  / LAT 1960