Spinoza, Benedictus de,  1632-1677. <br/><br/>
Ethics :  preceded by in the improvement of the understanding / 
by Benedict De Spinoza ; edited with an introduction by James Gutmann 
 - New York :  Hafner Publishing Company,  1949 
 - xxxv, 294 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics