Columbia subject headings:
Harvard subject headings:
Gasca, Pedro de la, 1493-1567--Correspondence.
Medina, Alonso de, active 16th century--Correspondence.
Peru--History--Conquest, 1522-1548
Soldiers--Spain--History--16th century--Correspondence.
Princeton subject headings:
Medina, Alonso de, active 16th century--Correspondence.
Peru--History--16th century--Sources.
Soldiers--Spain--History--16th century--Correspondence.