1Thomas Jefferson: Analysis of Weather Memorandum Book, January 1817 (Jefferson Papers)
Monticello (TJ’s Albemarle Co. estate); latitude of [index entry]
2Enclosure: Thomas Jefferson’s Summary of Weather Observations, 1810–1816, [ca. 11 April 1818] (Jefferson Papers)
Monticello (TJ’s Albemarle Co. estate); latitude of [index entry]