BELGIA
● Institut d’histoire ouvrière, économique et sociale
CANADA
● Canadian Committee on Labour History
● Working Histories
FRANȚA
● CArCoB – Archives Communistes
● L’Institut CGT d’histoire sociale
ELVEȚIA
● College du Travail
● Schweizerisches Sozialarchiv
MAREA BRITANIE
● The Irish Labour History Society
● People’s History Museum
● Society for the Study of Labour History
● Working Class Movement Library
ITALIA
● La Fondazione Antonio Gramsci
● Fondazione Culturale Vera Nocentini
● Fondazione Instituto Piemontese Antonio Gramsci
● Società Italiana di Storia del Lavoro
OLANDA
● International Institute of Social History
STATELE UNITE ALE AMERICII
● American Labor Studies Center
● Labor and Working Class History Association
● Center for Working-Class Studies