@book{32146,
	author = {Freidel, Frank Burt and Showman, Richard K.},
	title = {Harvard guide to American history.},
	publisher = {Belknap Press of Harvard University Press},
	year = {1974.},
	address = {Cambridge, Mass.},
	edition = {Rev. ed.},
	note = {Editions for 1954 and 1967 by O. Handlin and others.}
}