CChild labour and the half-time systemChild labour and the half-time systemde Margaret McMillanMateriasChild laborPart-time employmentEdiciones (1)Child labour and the half-time system (1896)"Clarion" Newspaper Co. · inglésMás obras de Margaret McMillanTThe camp schoolThe camp school1917TThe first years of childhoodThe first years of childhood1899IInfant mortalityInfant mortality