1793-1864 18thcentury 1914-1918 1920- 1927-1993 1931-1939 1943- 19thcentury 2015a-982 20thcentury 330 accidentprevention accidents activitépolitique africa africans agriculturalindustries agriculturalindustriesemploymenteffectsoftechnologicaldevelopmentasia agriculturalinnovations agriculturallawsandlegislation agriculturalwages agriculturalworkers'diseases agriculture agricultureandstate alphabet arabianpeninsula asia aude aude(department) bajacalifornia(state) biography brazil california cesar chavez childlabor children'spoetry childrenofagriculturallaborers chile china citrusfruitindustry civilrights clare collectivizationofagriculture collegestudents communitydevelopment congresses cooperativesocieties crimesagainst deliveryofhealthcare deportation depressions derivatives diaries dustbowlera economicaspects economicconditions economicsurveys education effectoftechnologicalinnovationson egypt emigrationandimmigration employees employment england english environmentalaspects environmentalconditions environmentaljustice etc ethnicrelations families familylife famines farmers farmmechanization farmtenancy fic019000 fiction foodsupply foreign foreignagriculturallaborers foreigneconomicrelations foreignfilms foreignworkers foreignworkerscertification france fruittrade galicia(region) general germany governmentpolicy greatbritain healthandhygiene healthaspects history historyunitedfarmworkersofamerica incomedistribution india industrialworkersoftheworld interculturalcommunication internal internationalcooperation investigation italian italiandiaries italy jiménez john juvenilefiction juvenileliterature laborlawsandlegislation laborleaders labormovement laborturnover laborunions landarbeiter landreform landtenure latinamerica lawandlegislation laws legalstatus liens london malaria mathematics max mexican mexicanamericanmigrantagriculturallaborers mexicanamericans mexico migrantagriculturallaborers migrantlabor migration mouvementssociaux movimentodostrabalhadoresruraissemterra(brazil) neoliberalism northamptonshire oases occupationalmobility officialsandemployees peasants pesticides petroleumworkers pictorialworks plantationlife poets politicalactivity politicsandgovernment politik poor portugal precariousemployment projetsdedéveloppementagricole protest psychiatrichospitalpatients réformeagraire riodelaplataregion(argentinaanduruguay) rural rural-urbanmigration ruralconditions ruralfamilies ruralpoor ruralwomen russia(federation) safetymeasures safetyregulations seasonallabor sexrole sexualdivisionoflabor slavery slaves socialaspects socialchange socialconditions socialistcompetition socialmovements socialscience socialstructure southern southernstates spain spanishlanguage strikesandlockouts supplyanddemand sweden toxicology travailleursagricoles unitedfarmworkers unitedstates universitiesandcolleges wa240 wa390i61s1965 wages westindian whites widows women womenagriculturallaborers