United States. Consulate (Georgetown, Guyana), & United States. National Archives and Records Service. (1959). Despatches from United States consuls in Demerara, 1801-1904. National Archives, National Archives and Records Service, General Services Administration.
Chicago-referens (17:e uppl.)United States. Consulate (Georgetown, Guyana), och United States. National Archives and Records Service. Despatches from United States Consuls in Demerara, 1801-1904. Washington, D.C.: National Archives, National Archives and Records Service, General Services Administration, 1959.
MLA-referens (8:e uppl.)United States. Consulate (Georgetown, Guyana), och United States. National Archives and Records Service. Despatches from United States Consuls in Demerara, 1801-1904. National Archives, National Archives and Records Service, General Services Administration, 1959.