Jefferson Papers Indexes | Papers of Thomas Jefferson, Index to volume 32 | S | Several Methods by Which Meridional Lines May be Found with Ease and Accuracy (Andrew Ellicott)
To Thomas Leiper, 4 February 1801 [Main Series 32:547]+
From Andrew Ellicott, 5 February 1801 [Main Series 32:549 n.]+
To Benjamin Smith Barton, 14 February 1801 [Main Series 32:589]+