23. Thomas Jefferson. South Elevation of the Rotunda, begun 1818, completed by March 29,1819. Pricking, scoring, iron-gall ink, pencil on laid paper engraved with coordinate lines, 8-3/4 x 8-3/4. N-328. Jefferson Papers. This drawing was once on a single sheet, on the right with the Rotunda section drawing, fig. 22, on the left.