"Child labor in West Virginia."; "Clopper, Edward Nicholas, 1879-1953."; "Child labor--West Virginia."; "Clopper, Edward Nicholas, 1879-1953."; "1908"; "

Serial issue. Issued as: National Child Labor Committee. Pamphlet, no. 86.

"; ""; "P19827"; "pec"; "Child labor--West Virginia."; "14256"; .