Pierpont Morgan Library. Review of Acquisitions, 1949-1968. New York : Pierpont Morgan Library, 1969, p. 164.
Adams, Frederick B., Jr. Sixth Annual Report to the Fellows of the Pierpont Morgan Library. New York : Pierpont Morgan Library, 1955, p. 76-78.
Six drawings and two plans with manuscript text.
Watermark: Crowned shield with horn inside, over letters "GR" on page containing site plan. Watermark
Watermark: Shield with diagonal stripe over cursive letter "W", on page 5. Shield with bend. Watermark
Watermark: Fleur-de-lis, on page 10. Watermark.