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Dubofsky, Melvyn (1989). "Reviewed work: Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Period, Michael Kazin". Labour / Le Travail. 23: 341–343. doi:10.2307/25143183. JSTOR25143183.
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^Ramirez, Bruno (1988). "Reviewed work: Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era, Michael Kazin". The American Historical Review. 93 (2): 511–512. doi:10.2307/1860087. JSTOR1860087.
^Galenson, Walter (1987). "Reviewed work: Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era., Michael Kazin". The Journal of Economic History. 47 (3): 844–845. doi:10.1017/S0022050700049603. JSTOR2121391. S2CID154894205.