[Eric_J_Hobsbawm]_The_Age_of_Capital_1848-1875(bookos-z1.org).pdf
[Émile_Durkheim]_On_Morality_and_Society_Selecte(BookZa.org).pdf
Cap II - As Invasões Bárbaras - Pierre Riché
[Colin Newbury] Patrons, Clients, And Empire Chie(Bookos.org)