Baklanoff, Eric N (1992). "The Political Economy of Portugal's Later "Estado Novo": A Critique of the Stagnation Thesis". Luso-Brazilian Review. 29 (1): 1–17. JSTOR3513163.
Coyne, E.J. “Oliveira Salazar and the Portuguese Corporative Constitution.” The Irish Monthly, jld. 64, no. 752, 1936, m/s. 81–94.
Kay, Hugh. Salazar and modern Portugal (1970) online
de Meneses, Filipe. Salazar: A Political Biography (2009)
