A copy of McHenry's letter to his nephew sent to Hamilton which explains in detail his resignation as Secretary of War. In essence, President Adams forced his entire cabinet to resign believing them disloyal in an election year and not supportive of the mission to France.
Enclosed in McHenry to Hamilton, 5/20/1800. Cited in Hamilton to McHenry, 05/22/1800. Syrett listed this document in the Appendix to Vol. 24; published in The Papers of Alexander Hamilton, volume XXIV, 507-512.