Estimates of population of the United States, 1910, 1911, 1912, 1913, 1914, 1915, and 1916 / including results of the state enumerations made in 1915. --.
Series Titles:
Bulletin (United States. Bureau of the Census) ; no. 133 Bulletin (United States. Bureau of the Census) ; no. 133.
At head of title: Department of commerce. Bureau of the census. Sam. L. Rogers, director. "Prepared by Mr. Charles S. Sloane, geographer, Bureau of the census."--Letter of transmittal, p. 5.