@book{56305,
	author = { Leibniz, Gottfried Wilhelm. and  Morris, Mary.},
	title = {Leibniz :},
	publisher = { J.M. Dent & Sons,},
	year = {1961.},
	series = {[Everyman's Library. no. 905.]},
	address = {London ;},
	note = {Includes index}
}