Ellen W. Randolph Coolidge to Henry S. Randall, 18 Feb. 1856
… The house at Poplar Forest was very pretty and pleasant. It was of brick, one story in front, and, owing to the falling of the ground, two in the rear. It was an exact octagon, with a centre-hall twenty feet square, lighted from above. This was a beautiful room, and served as a dining-room....