@book{51831,
	author = {Thompson, Warren Simpson and Whelpton, Pascal Kidder and United States},
	title = {Population trends in the United States},
	publisher = {McGraw-Hill Book Company, inc.},
	year = {1933.},
	series = {Recent social trends monographs},
	address = {New York},
	note = {"Published under the direction of the President's research committee on social trends."}
}