Sencer,Herbert <br/><br/>
Essays: scientific, political and speculative : Vol.2 

 - London  Williams And Norgate  1883 
 - 418p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>R3xM20
<br/><br/><label>Dewey Class. No.: </label>R3xM20  / B3.2