This primary source comes from the Records of the U.S. Senate.
National Archives Identifier:
6050279Full Citation: Message from President Jefferson to Congress Regarding the Louisiana Purchase; 1/16/1804; Records of the U.S. Senate, Record Group 46. [Online Version, https://docsteach.org/documents/document/message-from-president-jefferson-to-congress-regarding-the-louisiana-purchase, May 5, 2024]