Architectural drawings and photographs of architectural drawings with some related correspondence of residential and public buildings, churches, libraries, theaters, monuments, and bridges including: the Henry Hudson Bridge, Triborough Bridge, and the Manhattan Bridge in New York; Edward Henry Harriman's Arden House in Harriman, N.Y.; the Alfred I. Dupont mansion in Roslyn, N.Y.; the David A. Reed house in Washington, D.C.; the reconstruction of the Grand Army Plaza in New York City; the Memorial Amphitheater for Arlington National Cemetery; and various bicentennial buildings for Yale University. Of note are drawings of the grounds, details of buildings, and furniture for the New York Public Library, 1908-1909.

2 ink and wash drawings of Meridan Hall, Commodore David Porter's house in Washington, D.C. Signed George Hadfield, September 1798. Front elevation and ground floor plan. Garden front elevation and storey plan. One drawing includes a note: "Hadfield exhibited Arc. designs at Royal Academy in 1780-82. Brought to Washington from London by Col. Trumbull."