The Samuel F. B. Morse Papers at the Library of Congress
Diaries and Notebooks
Diaries---January-October 1805; July-August 1811; August-October 1815
Diaries---22 December 1829-3 May 1830
Diaries---4 May 1830-3 March 1831
Diaries---4 March-31 July 1831
Notebooks---2 August-12 September 1831 and diary fragments
Notebooks---Photography, art, and miscellaneous