The Child Labor Bulletin, المجلدات 3-4

age limit Alabama Amer-i-can attendance beets Bertha boys and girls Bureau canneries Census cent Chairman child labor bill CHILD LABOR BULLETIN Child Labor Committee child labor law child labor legislation childhood children under 16 Clopper coal breakers commerce clause Conference Constitution cotton mill dangerous District due process earnings effect employed employers employment of children enforcement fact father federal child labor FELIX ADLER fifth amendment FLORENCE KELLEY fourteen grade industry inspection interstate commerce investigation large number legislature lottery machine manufacturers Maria Maud ment messenger Mikey Miss morals mother National Child Labor newsboys night North Carolina occupations operatives parents passed Pennsylvania permits police power power of Congress power to regulate prohibit protection Secretary sixteen social South Supreme Court tenement things tion violation wages week welfare women workers York City