1George Gibbs to Thomas Jefferson, 11 March 1817 (Jefferson Papers)
By request of the Mineralogical Committee of the New-York Historical Society, I have the honour...
2Enclosure: Statement of the Mineralogical Committee of the New-York Historical Society, 11 March 1817 (Jefferson Papers)
T he Mineralogical Committee of the New-York Historical Society, having by their order prepared...