I. Guevara in his Tradition -- A. Historical Model -- B. Selected Ideas from the Libro รกureo and the Relox de prรญncipes -- C. Guevaraโ{128}{153}s Style -- II. Guevara and the Humanists -- A. Vives -- B. Alfonso de Valdรฉs -- C. Pedro de Rhuaโ{128}{153}s Cartas censorias -- D. Garcรญa Matamoros -- E. Melchor Cano -- III. Guevara and the Humorists -- A. Francรฉs de Zรบรฑga -- B. Letters Attributed to Diego Hurtado de Mendoza -- C. Cervantes -- IV. Guevara an International Model of Style -- A. The Landmann Theory -- B. Reactions to Landmannโ{128}{153}s Theory -- C. The Italian Theory -- D. The Theory of Classical Models -- E. The Theory of Medieval Latin Prose as a Model -- F. Other Reactions and Thoughts Concerning the Landmann Theory -- V. Guevaraโ{128}{153}s Success -- A. Popularization of Knowledge -- B. Moral Wisdom and Tolerance -- C. The Appeal of Subjectivity -- D. Guevaraโ{128}{153}s Sense of Humor -- VI. Guevara and the Enlightenment -- Conclusion