1839 May 8-July 23. Botany Libraries, Gray Herbarium Library, Harvard University. https://id.lib.harvard.edu/ead/d/gra00026c00292/catalog Accessed April 11, 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.