Thaddeus William Harris papers, circa 1818-1852. gra00030. Archives of the Gray Herbarium, Harvard University. https://id.lib.harvard.edu/ead/gra00030/catalog Accessed May 10, 2021
To request materials for use in the Botany Libraries 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.