He is the author of a vast work of historiography, especially titles like Portugal and the Portuguese and a single purpose published in 2009 and Portuguese Church and Society, the Republic of Liberalism.
Ia adalah penulis dari beberapa karya historiografi, khususnya yang berjudul seperti Portugal and the Portuguese and a single purpose yang diterbitkan pada 2009 dan Portuguese Church and Society, the Republic of Liberalism.