Contingent expenses, Department of Labor, 1914, 1915, and 1916. Letter from the Assistant Secretary of Labor, transmitting detailed statements of expenditures from the appropriations "Contingent expenses, Department of Labor, 1914," for the period from December 1, 1915, to June 30, 1916; "Contingent expenses, Department of Labor, 1915," for the period from December 1, 1915, to November 22, 1916; and "Contingent expenses, Department of Labor, 1916," for the period from July 1, 1915, to November 22, 1916.