- Portugal--History--Period of discoveries, 1385-1580 (7)
- Portugal--Kings and rulers--Biography (5)
- Discoveries in geography--Portuguese (3)
- Portugal--History--Spanish dynasty, 1580-1640 (3)
- Renaissance--Portugal (3)
- Pedro I, King of Portugal, 1320-1367 (2)
- Portugal--History--Pedro I, 1357-1367 (2)
- Portugal--History--Sebastião, 1557-1578 (2)
- Acculturation--Portugal--Colonies (1)
- Alentejo (Portugal)--History (1)
- Algarve (Portugal)--History (1)
- America--Discovery and exploration--Portuguese--Early works to 1800 (1)
- Authors, Portuguese--Classical period, 1500-1700--Political and social views (1)
- Brazil--History--1580-1640 (1)
- Brazil--History--16th century (1)
- Catholic Church--Portugal--History--16th century (1)
- Catholic Church--Portugal--History--17th century (1)
- Ceuta (Spain)--History (1)
- Civilization--Portuguese influences (1)
- Duarte, King of Portugal, 1391-1438--Correspondence (1)
- Europe--Foreign relations--Portugal (1)
- Liberalism--Portugal--History--19th century--Congresses (1)
- Meneses, Pedro de, Conde de Vila Real, -1437 (1)
- Middle Ages (1)
- Morocco--History--15th century (1)
- Portugal--Biography (1)
- Portugal--Civilization (1)
- Portugal--Civilization--16th century (1)
- Portugal--Colonies (1)
- Portugal--Colonies--Discovery and exploration (1)
- Portugal--Foreign relations--Europe (1)
- Portugal--History, Naval (1)
- Portugal--History--16th century (1)
- Portugal--History--Afonso VI, 1656-1683 (1)
- Portugal--History--Afonso VI, 1656-1683--Sources (1)
- Portugal--History--Alfonso V, 1438-1481--Sources (1)
- Portugal--History--Autonomy and independence movements (1)
- Portugal--History--Duarte, 1433-1438 (1)
- Portugal--History--John I, 1385-1433 (1)
- Portugal--History--John II, 1481-1495--Sources (1)
- Portugal--History--John IV, 1640-1656 (1)
- Portugal--History--John IV, 1640-1656--Sources (1)
- Portugal--History--Period of discoveries, 1385-1580--Historiography (1)
- Portugal--History--Spanish dynasty, 1580-1640--Sources (1)
- Portugal--History--To 1385 (1)
- Portugal--Kings and rulers--Correspondence (1)
- Portugal--Politics and government--1580-1640 (1)
- Portugal--Politics and government--1640-1656 (1)
- Portugal--Politics and government--1656-1683 (1)
- Portugal--Politics and government--1789-1900--Congresses (1)
- Portugal--Politics and government--To 1580 (1)
- Portuguese literature--Classical period, 1500-1700--History and criticism (1)
- Sailors--Portugal--Correspondence (1)
- Sailors--Portugal--Diaries (1)
- Sebastião, King of Portugal, 1554-1578 (1)
- Sebastião, King of Portugal, 1554-1578--Travel--Portugal--Alentejo (1)
- Sebastião, King of Portugal, 1554-1578--Travel--Portugal--Algarve (1)
- Solis, Duarte Gomes (1)
- Sousa, Martim Afonso de, 1500-1564--Correspondence (1)
- Sousa, Martim Afonso de, 1500-1564--Travel--Asia (1)
- Sousa, Pero Lopes de, approximately 1500-1539--Diaries (1)
- Sousa, Pero Lopes de, approximately 1500-1539--Travel--Brazil (1)