This primary source comes from the Records of the U.S. Senate.
National Archives Identifier:
306213Full Citation: Certification of the electors of the state of Delaware; 3/6/1789; Records of the U.S. Senate, Record Group 46. [Online Version, https://www.docsteach.org/documents/document/certification-of-the-electors-of-the-state-of-delaware, May 17, 2024]