1Thomas Jefferson to C. & A. Conrad & Company, 11 December 1809 (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...
2Thomas Jefferson to C. & A. Conrad & Company, 23 November 1809 (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...
3Thomas Jefferson to C. & A. Conrad & Company, 24 April 1811 (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...
4C. & A. Conrad & Company to Thomas Jefferson, 13 November 1809 (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...
5C. & A. Conrad & Company to Thomas Jefferson, 12 June 1811 (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...
6C. & A. Conrad & Company to Thomas Jefferson, [received 15 April 1810] (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...
7Benjamin Smith Barton to Thomas Jefferson, 16 October 1810 (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...
8Editorial Note (Jefferson Papers)
Conrad, C. & A., and Company (Philadelphia firm); and journals of Lewis and Clark Expedition [...