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Walter Quintin Gresham, Secretary of State : March 6, 1893, to May 28, 1895
Schuyler, Montgomery, (1928)
Panama Canal tolls and the Hay-Pauncefote Treaty : an address on Panama Canal tolls legislation and the Hay-Pauncefote Treaty, read before the American Society of International Law, Washington
Olney, Richard, (1913)
The American secretaries of state and their diplomacy ; 8
Brown, Philip Marshall, (1928)