Wells, Harrington. <br/><br/>
Laboratory exercises in biology / 
[by] Harrington Wells, Patrick H. Wells [and] Walter H. Muller. 
 - New York :  McGraw-Hill,  1956. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology -- Laboratory manuals.--Biology -- Laboratory manuals.