@book{298827,
	author = {Langer, Susanne K. (Susanne Katherina Knauth), 1895-1985},
	title = {Philosophy in a new key : },
	publisher = {Harvard University Press},
	year = {©1942, 1951,1957},
	address = {Cambridge},
	edition = {Third edition.},
	note = {Index.}
}