O rubai. Alexandre Tambelli.
Recanto das Letras, 2010

Discusses a number of translations of the rubáiyát into Portuguese by authors as R. Basile, A. Braga, J.A. Haddad, F. Pessoa, M. Bandeira and De Souza, preceeded by an explanation about the structure of the rubai and their main themes, and followed by an exposition on Pessoa’s interest in the rubáiyát.