1To Thomas Jefferson from Benjamin Henry Latrobe, 1 July 1806 (Jefferson Papers)
During the course of August the turning of the lobby arches will render the progress of the freestone work unequal, but it is highly probable that on the 1st. of Septr. All the freestone work will be finished & be ready to receive the roof. In the meantime,—on the 1st. of July,—All the sashes & frames of the Office Story will be put in, & the grounds for Plaistering put up.— 10th. The...