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Luis Vicente Cabrera Lobato (July 17, 1876 – April 12, 1954) was a Mexican lawyer, politician and writer. His pen name for his political essays was "Lic. Blas Urrea"; the more literary works he wrote as "Lucas Rivera". During the late presidency of Porfirio Díaz, he was a vocal critic of the regime. He became an important civilian intellectual in the Mexican Revolution (1910-1920).