Statistics for occurrence #1 of “Port au Prince” in entry diplomatic-service of Harper's Encyclopedia of United States History:

...Envoy Extraordinary and Minister Plenipotentiary, San Jose. Laurits S. Swenson, Envoy Extraordinary and Minister Plenipotentiary, Copenhagen. William F. Powell, Charge d'affaires, Port au Prince . Archbald J. Sampson, Envoy Extraordinary and Minister Plenipotentiary, Quito. John G. Long, Agent and Consul-General, Cairo. Horace Porter, Ambassador Extraordinary and Pl...
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