Snyder, Laurence H. (Laurence Hasbrouck), 1901- <br/><br/>
The principles of heredity/ 
by Laurence H. Snyder and Paul R. David. 
 - 5th ed. 
 - Lexington,Mass.:  Heath,  1957. 
 - 507 p.:  ill.;   25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heredity.