1Alden Partridge to Thomas Jefferson, 23 November 1815 (Jefferson Papers)
Partridge, Alden; and calculation of altitude [index entry]
2Alden Partridge to Thomas Jefferson, 4 February 1817 (Jefferson Papers)
Partridge, Alden; and calculation of altitude [index entry]
3Alden Partridge to Thomas Jefferson, 6 September 1815 (Jefferson Papers)
Partridge, Alden; and calculation of altitude [index entry]
4Alden Partridge to Thomas Jefferson, 9 January 1818 (Jefferson Papers)
Partridge, Alden; and calculation of altitude [index entry]
5Alden Partridge to Thomas Jefferson, 20 February 1818 (Jefferson Papers)
Partridge, Alden; and calculation of altitude [index entry]