Title: A política de sigilo nos descobrimentos
Subtitle: nos tempos do Infante D. Henrique e de D. João II
First published: 1960
Subjects: History, Official secrets, Foreign relations
Places: Portugal
People: Henry Infante of Portugal (1394-1460), John II King of Portugal (1455-1495)
Time periods: Period of discoveries, 1385-1580
LC classification: DP583 .C654 1960