Subject
United States Foreign relations
8
Mexico Foreign relations
7
Mexico Boundaries
5
Mexico Claims vs. United States
3
United States Boundaries
3
United States Claims vs. Mexico
3
United States Description and travel
3
Florida History
2
Indians of North America
2
Texas History
2
United States
2
Desertion, Military
1
Gadsden Purchase
1
Mexican War, 1846-1848
1
Mexican War, 1846-1848 Causes
1
Mexican War, 1846-1848 Propaganda
1
Missions
1
Texas Annexation to the United States
1
United States History
1
United States Social life and customs
1