1881-1968 1882-1924 1893-1936 1894-1969 1907-1970 1909-1968 1912- 1916- 1924-1973 1927- 1927-1993 1938-2013 1941- 1945 1945to 1945to2000 19thcentury 20th 20thcentury 20thcenturyamericanhistory a activists aerospace africanamericanarts africanamericanbiography africanamericanhistory africanamericans agriculturallaborers aircraft american americanpoetry americans andagriculturalimplementworkersofamerica anthracitecoalindustry arbitration argentina asia asians automobileindustryworkers bert biographies biography black bowden britain britishhistory brunelli businesswomen canada canadianpolitics centralamericanhistory cesar chavez children children'spoetry christianbiography civil civilrights coalminers colonialism communism communists conflict constructionworkers corruptpractices criminals culturalhistory cultures d'elía dictionaries economichistory ethnic figures filmbiographies florida france frenchhistory general government greatbritain historicalbiography history historyinternationalunion historyirishtransportandgeneralworkers'union historyunitedassociationofjourneymenandapprenticesoftheplumbingandpipefittingindustry historyunitedfarmworkers humanrights humanrightsworkers imperialism industrial industrialrelations interviews inventors ireland irishhistory islam john jones joséignacio journalism journalists juvenileliterature laborlawsandlegislation labormovement laborstudies laboruniondemocracy laborunions lawenforcers legalfigures letters lifescience lifesciences literaturajuvenil lorenzomariano lucas maríaelena mazzocchi memoir merinorodríguez metal-workers mexicanamericanagriculturallaborers mexicanamericanmigrantagriculturallaborers mexicanamericans mexicanamericanwomen mexicano-americanos migrantagriculturallaborers migrantlabor miguel militarypolicy miners miningindustries miscellaneous miscellaneouslatinamericanhistory miscellaneouslaw miscellaneousmilitaryhistory miscellaneousworldhistory movements naturalists nature news o'brien officialsandemployees officialsandemployeesfarmlabororganizingcommittee(ohio) organizedcrime pegler pennsylvania peoples philadelphia philosophyofscience plombiers poetry polit political politicalacti politicalactivism politicalactivists politicalactivity politicalbiography politics politicsandgovernment professions racerelations racketeering regionalbiography religiousbiography reuther rucci scientists social socialmovements socialreformers socialstudies sociology southamericanhistory southasianhistory southernregion state strikesandlockouts syndicats tony trabajadoresmigratorios uni unions unit unitedautomobile unitedfarmworkers unitedsta unitedstates unitedstateshistor unitedstateshistory unitedstatesstudies wales walter wars western william winnipeg women'sbiography women'sstudies worldwarii