Leibniz, Gottfried Wilhelm Freiherr von 1646-1716.
The Leibniz-Clarke correspondence: together with extracts from Newton’s "Principia and Opticks" /
edited with introduction and notes by H.G. Alexander 
. - Manchester : Manchester University Press, New York : Barnes & Noble,  1976 
. - lvi, 200 p.  19 cm. 
 - (Philosophical classics )
<br/><br/> Репринтне видання : London, 1717.
<br/><label>  ISBN: </label>0-0669-4 
<br/><br/><label>Subjects--Personal Names: </label><br/>Newton, Isaac sir  1642-1727  Principia and Opticks