Document contains three notes (all on one sheet of paper, front and back) dated November 26, 1872. The first note is from Lt. Jesh. McCarthy to Maj. Andrew Leonard stating his resignation and subsequently approved and certified by Maj. Leonard in a second note. The last note is from Lt. McCarthy in which he says that he will remain active even though he is resigning.
The 12th convention (pages 12-74) was held on August 25-29, 1873. The 13th convention (pages 77-122) was held on August 24-29, 1874. Both convened in New York City.