Holt, Wythe. “Union Densities, Business Unionism, and Working-Class Struggle: Labour Movement Decline in the United States and Japan, 1930-2000”. Labour / Le Travail 59 (May 5, 2007): 99–132. Accessed February 24, 2025. https://lltjournal.ca/index.php/llt/article/view/5494.