After his doctorate, he completed studies and research at the Gregorian University of Rome (Italy), the University of London (United Kingdom), Georgetown University (Washington D.C., USA), the University of Ottawa (Canada), Oxford University (United Kingdom) and the University of Warwick (Coventry, United Kingdom).
Joaquim Sapinho | Joaquim Nabuco | Joaquim Barbosa | Joaquim Rodríguez | Joaquim Pacheco | Joaquim Dinis | Joaquim de Almeida | Joaquim Chissano | Francisco Joaquim Ferreira do Amaral | Joaquim Rodriguez | Joaquim Nadal i Farreras | Joaquim Maria Puyal | Joaquim Machado de Castro | Joaquim Guedes | Joaquim Felício | Joaquim Dos Santos | Joaquim Augusto Mouzinho de Albuquerque | Joaquim Arcoverde de Albuquerque Cavalcanti | Joaquim Abranches |