Ruy Ribeiro Couto has written:
'Cabocla'
Ruy Monte has written: 'Poems'
Ruy Sant'Elmo has written: 'L'ombre des morts'
Ruy Canedo has written: 'Versos que a alma tece'
Ruy Dias has written: 'Ela e o peixe vermelho'
Ruy Kremer has written: 'Geografia do Brasil' -- subject(s): Description and travel
Ruy B. Chalmers has written: 'Marketing' -- subject(s): Marketing
Ruy Miller Paiva has written: 'Problemas da agricultura brasileira'
Ruy Moreira has written: 'O discurso do avesso' -- subject(s): Philosophy, Geography
Ruy Pereira has written: 'Benvindo' -- subject(s): Pictorial Brazilian wit and humor
Ruy Perez-Tamayo has written: 'Molecular pathology of connective tissues' -- subject(s): Aging, Connective tissues, Diseases
Charles William. Turner has written: 'Ruy Barbosa'
Ruy Bloem has written: 'Palmeiras no litoral' -- subject(s): Brazilian literature 'A crise da democracia e a reforma eleitoral' -- subject(s): Elections