1. On May 25, 1791, H wrote a letter to Olney marked “circular,” but as the information in this letter was clearly not intended for the other collectors of the customs it has not been printed as a Treasury Department circular. Olney may be referring to this letter as the circular of May 25.
“Treasury Department Circular to the Collectors of the Customs, 25 May 1791,” Founders Online, National Archives, last modified October 5, 2016, http://founders.archives.gov/documents/Hamilton/01-08-02-0336. [Original source: The Papers of Alexander Hamilton, vol. 8, February 1791 – July 1791, ed. Harold C. Syrett. New York: Columbia University Press, 1965, p. 363.]