Moore, G. E. (George Edward), 1873-1958.  Moore, G. E. (George Edward), 1873-1958. <br/><br/>
Principia ethica. 

 - Cambridge [England] :  University Press,  1968, [1903] 
<br/><br/> First published in 1903. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics.