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No more than two states being yet represented. Link to Library of Congress collection in box below.
National Archives, Founders Online Transcription: Wednesday 16th. No more than two States being yet represented, agreed till a quoram of them should be formed to alter the hour of Meeting at the State house to One oclock. Dined at the President Doctr. Franklins and drank Tea, and spent the evening at Mr. Jno. Penns.
Reference: “[Diary entry: 16 May 1787],” Founders Online, National Archives, last modified November 26, 2017, http://founders.archives.gov/documents/Washington/01-05-02-0002-0005-0016. [Original source: The Diaries of George Washington, vol. 5, 1 July 1786?–?31 December 1789, ed. Donald Jackson and Dorothy Twohig. Charlottesville: University Press of Virginia, 1979, pp. 157–158.]