- Narratives of the Career of Hernando de Soto in the Conquest of Florida
- The Spanish Colonial System (1904)
- Algonquians, Hurons, and Iroquois: Champlain Explores America, 1603-1616
- The Philippine Islands, 1493-1803: Explorations by Early Navigators, Descriptions of the Islands and Their Peoples, Their History and Records of the Catholic Missions, as Related in Contemporaneous Bo
- The Philippine Islands, 1493-1898