The Dreer Collection contains 1 letter from George Robins Glidden to Coates, 1844 April 28; 1 letter from Coates to Edwin Greble, 1846 May 25; 1 letter Thomas L. Hamer to Coates, 1837 Jan. 16; 1 letter from Walter Rogers Johnson to Coates, 1838 Feb. 5; 1 letter from Walter Rogers Johnson to Coates, 1838 Feb. 5; 1 letter from John Gorham Palfrey to Coates, 1840 Nov. 21; 1 letter from John Richardson to Coates, 1857 June 26; 1 letter from Henry Theodore Tuckerman to Coates, 1851 July 5; and 1 letter from Jonathan Mason Warren to Coates, 1840. The Edward Carey Gardiner Collection contains 1 letter from Hector Orr to Henry C. Carey referring to Coates, 1858 Mar. 12. The Gratz Collection contains 1 letter from Coates to Appleton ? 1 letter from Coates to O. T. Keeler, 1847 June 4; and 1 letter from Coates to A. G. Smith, 1803 July 6. The J. Randolph "Memoir of Philip Syng Physick" extra-illustrated volume contains 1 typescript letter from Coates to J. Randolph, [1839 Feb. 21]; and 1 typescript letter from J. Randolph to Reynell, [1839 Feb. 25]. The Society Autograph Collection contains 1 letter from John Sergeant to Coates, 1839 Dec. 19. The Stauffer Collection contains 1 letter from Coates to Joseph Watson, 1827 April 30.
