United States life tables, 1890, 1901, 1910, and 1901-1910 : explanatory text, mathematical theory, computations, graphs, and original statistics, also tables of United States life annuities, life tables of foreign countries, mortality tables of life insurance companies / prepared by James W. Glover.
Imprint
Washington, D.C. : Dept. of Commerce, Bureau of the Census : U.S. G.P.O., 1921.