- Louisiana Under the Rule of Spain, France, and the United States, 1785-1807: Social, Economic, and Political Conditions of the Territory Represented in the Louisiana Purchase
- The Philippine Islands, 1493-1803: Explorations; Volume 44
- The Historical Geography of the Clans of Scotland. (Map of the Clans of Scotland) [and other diagrams].
- Concise Historical Proofs Respecting the Gael of Alban or, Highlanders of Scotland
- The Philippine Islands, 1493-1803: Explorations; Volume 9