Letter from David Greene to Henry Spalding, February 25, 1836
Letter from David Greene to Henry Spalding and associates, June 23, 1837
Letter from David Greene to Henry Spalding, October 22, 1847
Letter from David Greene to Henry Spalding, February 28, 1846
Letter from David Greene to Henry Spalding, October 15, 1838
Letter from David Greene to Henry Spalding, August 3, 1840
Letter from David Greene to Henry Spalding, November 4, 1840
Letter from David Greene to Marcus Whitman and Henry Spalding, January 7, 1837