Charles Sumner Miscellaneous Papers, 1833-1874 (MS Am 1739). Houghton Library, Harvard University. https://id.lib.harvard.edu/ead/hou01363/catalog Accessed January 25, 2021
To request materials for use in the Houghton Library reading room, go to the HOLLIS catalog record and click on the Request Item button . Please be sure to include the full Item Identifier in your request.