Thornton, John Leonard. <br/><br/>
Medical librarianship :  principles and practice / 
by John L. Thornton. 
 - London :  Crosby Lockwood and Son,  1963. 
 - 153 p. :  ill. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical libraries.<br/>Library science.<br/>Libraries, Special.