Roberto Carlos has written:
'Viagem medieval em Terra de Santa Maria =' -- subject(s): Fasts and feasts, Festivals, Medieval Civilization, Social life and customs
Roberto Carlos Braga has written: 'Gente do Rio'
Carlos Roberto Barretto has written: 'Os procedimentos penais na Lei de imprensa' -- subject(s): Criminal provisions, Press law
Roberto Poloni has written: 'Roberto Poloni'
Roberto Barni has written: 'Roberto Barni'
Roberto Crippa has written: 'Crippa'
Roberto Estrada has written: 'Trenco'
Roberto Viola has written: 'Singularidad'
Roberto Carumati has written: 'Geologia'
Roberto Imperiale has written: 'Oremus'
Roberto Fallani has written: 'Roberto Fallani' -- subject- s -: Exhibitions
Roberto Piva has written: 'Piazzas' 'Quizumba'
Roberto Barocci has written: 'Maremma avvelenata'