_Reports of the Immigration Commission, appointed under the
Congressional Act of Feb. 20, 1907_. 42 vols. (1911). This is by far
the most exhaustive study that has been made of the immigration
question. It embraces a wide range of details, especially upon the
economic and sociological aspects of the problem.

Census Bureau, _A Century of Population Growth from the First Census
of the United States to the Twelfth, 1790-1900_ (1909). The best
analysis of the population of the United States. It contains a number
of chapters on the population at the time of the First Census in 1790.

John R. Commons, _Races and Immigrants in America_ (1907).

Prescott F. Hall, _Immigration and its Effects upon the United States_
(1906).

Henry P. Fairchild, _Immigration, a World Movement and its American
Significance_ (1913). A good historical survey of immigration as well
as a suggestive discussion of its sociological and economic bearings.

Jeremiah W. Jenks and W. Jett Lauck, _The Immigration Problem_ (1913).
A summary of the Report of the Immigration Commission.

Peter Roberts, _The New Immigration_ (1912). A discussion of the
recent influx from Southeastern Europe.

E.A. Ross, _The Old World in the New_ (1914) contains some refreshing
racial characteristics.