The Canal Tolls and American Shipping

Treaties and Acts of Congress Relating to the Panama Canal, 1917

Canal Treaties: Executive Documents Presented to the U.S. ...

Panama Canal Tolls: Symposium of Views Protesting Against a ...

The Interoceanic Canal and the Hay-Pauncefote Treaty

The Panama Canal Tolls Controversy: Or, A Statement of the ...

The Spirit of Self-government

The Panama Canal Conflict Between Great Britain and the ...

Panama Canal Tolls: An Address on the Issues Between the ...

Diplomatic History of the Panama Canal: Correspondence ...