FRIESEN, Gerry. "Society for the Study of Labour History:" An Anniversary Celebration, London, May 1980. Labour / Le Travail, [S. l.], v. 6, p. 177–180, 1980. Disponível em: https://lltjournal.ca/index.php/llt/article/view/2538. Acesso em: 1 jun. 2024.