1François Gard to Thomas Jefferson, 9 April 1816 (Jefferson Papers)
Mitchill, Samuel Latham; and education of deaf and mute [index entry]
2Thomas Jefferson to William Lee, 24 August 1816 (Jefferson Papers)
Mitchill, Samuel Latham; and education of deaf and mute [index entry]
3Samuel L. Mitchill to Thomas Jefferson, 21 May 1819 (Jefferson Papers)
Mitchill, Samuel Latham; and education of deaf and mute [index entry]
4Samuel L. Mitchill to Thomas Jefferson, 16 May 1820 (Jefferson Papers)
Mitchill, Samuel Latham; and education of deaf and mute [index entry]