Moore, G. E. (George Edward),  1873-1958. <br/><br/>
Principia ethica / 
by George Edward Moore. 
 - Cambridge :  Cambridge University Press,  1959. 
 - 232 p. ;  22 cm. 
<br/><br/> first paper-back edition 1959 
<br/><br/><label>ISBN: </label>0521091144 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics.