Henderson, Charles R., Street Trading of Children, in his Preventive Agencies and Methods, 1910, Vol. III, pp. 97-100.
Juvenile Delinquency and its Relation to Employment, Vol. VIII of Report on Condition of Woman and Child Wage Earners in United States, Senate Document 645, 61st Congress, 2d Session.
Kelley, Florence, Children in Street Trades and Telegraph and Messenger Boys, in her Some Ethical Gains through Legislation, 1905, pp. 11-26.
—— Street Trades, in Proceedings of Seventh Annual Meeting of National Child Labor Committee, 1911, pp. 108-110.
Mangold, George B., Child Problems, 1910, p. 232.
Neill, Charles P., Child Labor at the National Capital, in Proceedings of Second Annual Meeting of National Child Labor Committee, 1905, pp. 17-20.
New York Child Welfare Exhibit, Handbook of, 1911, p. 33.
Newsboys' Home Association of Washington, D.C., Report of, 1863-1864.
Newsboy Law, in Handbook of Child Labor Legislation, 1908, National Consumers' League, p. 63.
Newsboys' and Children's Aid Society of Washington, D.C., 1889.