Hall, Richard P. (Richard Pinkham), 1900-  <br/><br/>
Protozoology / 
by R. P. Hall. 
 - Englewood Cliffs, N.J.:  Prentice-Hall,  1953. 
 - 682 p. :   ill. ;   24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protozoology.