@book{5504,
	author = {Kurtz, Paul,},
	title = {Humanist manifestos, I and II /},
	publisher = {Prometheus Books,},
	year = {1973.},
	address = {Buffalo :},
	note = {"Humanist manifesto I first appeared in The new humanist, May/June 1933 (vol. 6, no. 3)"--T.p. verso.}
}