A century of population growth from the first census of the United States to the twelfth H Social sciences (General)
Statistical directory of state institutions for the defective, dependent and delinquent classes H Social sciences (General)
Deaf-mutes in the United States. Analysis of the census of 1910 with summary of state laws relative to the deaf as of January 1, 1918 H Social sciences (General)
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 H Social sciences (General)