The Seymour Adelman Collection contains 2 letters from Kennedy to George C. Read, 1853 Jan. 20 and 1853 Jan. 22. The Cadwalader Collection contains 1 letter from James E. Brown to Kennedy, 1845 Dec. 13; 32 letters from Kennedy to John Cadwalader, 1824-1850; 1 letter from Kennedy to Charles J. Ingersoll, 1832 July 4; 12 letters from William F. Johnston to Kennedy, 1835-1840; and 1 letter from David B. Rising to Kennedy, 1830 July 1. The Salmon P. Chase Papers contain 1 letter from Kennedy to S. P. Chase, 1861. The Conarroe Papers contain 1 letter from Kennedy to Jerome Buck, 1854 July 11; and 1 letter from Kennedy to James S. Whitney, 1852 Feb. 29. The Dreer Collection contains 1 letter from Kennedy to Henry C. Carey, 1864 Feb. 12; 3 letters from Kennedy to George W. Childs, 1856 May 7 and 1857 Apr. 28 and 1862 Aug. 5; 1 letter from Kennedy to J. C. Dobbin, 1856 Feb. 15; 1 letter from Kennedy to Brantz Mayer, 1845 Feb. 7; and 1 letter from Kennedy to R. M. Owen, 1841 Oct. 11. The Etting Collection contains 1 letter from Kennedy to Ninian Pinkney, 1823 June 20; and 1 letter from Kennedy to Messrs. Robb & Winebrenner, 1837 Jan. 2. The Edward Carey Gardiner Collection contains 2 letters from Kennedy to Henry C. Carey, [1834?] Jan. 1 and 1864 Mar. 3. The Gratz Collection contains 2 letters from Kennedy to Henry C. Carey, 1835 Apr. 18 and 1835 May 4; 2 letters from Kennedy to Messrs. Carey and Hart, 1843 Oct. 25 and 1843 Oct. 28; 1 letter from Kennedy to Mrs. Ruth Comstock, 1833 Sept. 5; 12 letters from Kennedy to Rufus W. Griswold, 1845-1853; 1 letter from Kennedy to Lea & Blanchard, 1849 Dec. 4; 1 letter from Kennedy to [ ], 1834 July 26. The Lea & Febiger Papers contain 8 letters from Kennedy to Blanchard and Lea, publishers, 1850-1854. The William David Lewis papers contain 1 letter from Kennedy to William D. Lewis, 1854 May 15. The Society Collection contains 1 letter from Kennedy to Committee of the Historical Society of Pennsylvania, 1860 Oct. 19; 1 letter from Kennedy to J. J. Shaefer, [not after Mar. 11]; and 1 letter from Kennedy to F. W. Sperry, 1841 Aug. 13.
