Indentured servants 76 History 59 Social conditions 17 Emigration and immigration 11 Slave labor 11 Slavery 10 Child labor 7 more ... East Indians 7 Plantations 7 Race relations 7 Colonies 6 History and criticism 5 Immigrants 5 Apprenticeship programs 4 Economic conditions 4 Foreign workers, Chinese 4 Labor contract 4 Master and servant 4 Apprentices 3 Black people 3 Contract labor 3 Enslaved persons 3 Foreign workers, African 3 Foreign workers, British 3 Forms 3 Household employees 3 Labor supply 3 Legal status, laws, etc 3 Pacific Islanders 3 Poor children 3 less ...