Child Labor (World 1950-1995) - Basu (1999)

Child Labor (World ILO) - ILO (2017)

Child Labor (all) - World Bank (2015)

Child Labor (latest) - World Bank (2015)

Child Labor - WDI (2015)

Child Labor Italy (historic) - Toniolo, G., & Vecchi, G. (2007)

Child Labor UK (historic) - Cunningham, H. and Viazzo, P.P. (1996)

Child Labor in US - Economic History Association (2017)

Child Labor in US - Long (1958)

Child Labor Italy (historic) - Toniolo, G., & Vecchi, G. (2007)

Child Labor UK (historic) - Cunningham, H. and Viazzo, P.P. (1996)

Child Labor in US - Economic History Association (2017)

Child Labor (all) - World Bank (2015)

Child Labor (latest) - World Bank (2015)

Child Labor - WDI (2015)

Child Labor (World 1950-1995) - Basu (1999)