Cite web page as: 1789 Catalog of Books, [circa 1789], page 1, by Thomas Jefferson [electronic edition]. Thomas Jefferson Papers: An Electronic Archive. Boston, Mass. : Massachusetts Historical Society, 2003. http://www.thomasjeffersonpapers.org/

Original manuscript: Jefferson, Thomas. 1789 Catalog of Books, [circa 1789]. 50 pages. Original manuscript from the Coolidge Collection of Thomas Jefferson Manuscripts, Massachusetts Historical Society.