F.C. Fischer, Greifswald, to the President and Vice President of the United States, Washington, D.C., 1820 July 13, Mss 39.1 M75_Letter_FC Fischer_1820 July 13. Special Collections Research Center. https://scrcguides.libraries.wm.edu/repositories/2/digital_objects/4289 Accessed September 16, 2024.