Cartas dos sertões do Seridó, 1999: t.p. (Paulo Bezerra) p. 11 (Paulo Bezerra (Paulo Balá) [nickname]) p. 16 (Paulo de Balá Bezerra) back cover (b. July 16, 1933; graduated in medicine; member, Colégio Brasileiro de Radiologia and Academia de Medicina do RN; lives in Natal)