Subject
Boundaries
4
Emigration and immigration
4
Economic conditions
3
Foreign relations
3
Colonies
2
Economic aspects
2
Annexation to the United States
1
Canadianists
1
Emigration
1
FrontieĢres
1
Handbooks, manuals, etc
1
Imperial federation
1
Indians of North America
1
Inland navigation
1
Navigation
1
Oregon question
1
Politics and government
1
Shipping
1
Study and teaching (Higher)
1
Trade routes
1
Visits of state
1
World War, 1914-1918
1