Williams, W.L. <br/><br/>
Veterinary obstetrics / 
W.L. Williams. 
 - 4th ed. 
 - Worcester, Massachusetts :  Ethel Williams Plimpton,  1948. 
 - 483 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Veterinary