Population

The 1990 United States Census [2nd]

United States. Bureau of the Census

United States Census Figures Back to 1630

United States. Bureau of the Census

The Aboriginal Population of the San Joaquin Valley, California

Sherburne Friend Cook

The Fertility of the Unfit

W. A. (William Allan) Chapple

The 1990 United States Census

United States. Bureau of the Census

Essays on Mankind and Political Arithmetic

William Sir Petty

An Essay on the Principle of Population

T. R. (Thomas Robert) Malthus