Cohen, Morris R.  1880-1947 <br/><br/>
A preface to logic / 
Morris R. Cohen 
 - London :  Routledge,  1946 
 - ix, 212 p. ;  19 cm. 
<br/><br/> At head of title: Morris R. Cohen  Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic