31Enclosure: List of Books to be Acquired by de Bure Frères, [ca. 19 April 1821] (Jefferson Papers)
astronomy; books on [index entry]
32Fernagus De Gelone to Thomas Jefferson, [13 July 1821] (Jefferson Papers)
astronomy; books on [index entry]
33Enclosure: Thomas Jefferson’s Invoice of Books from de Bure Frères, 24 August 1821 (Jefferson Papers)
astronomy; books on [index entry]
34Thomas Jefferson to Joseph Echols, 23 May 1822 (Jefferson Papers)
astronomy; books on [index entry]