Blueprints, Property Plats, and Architectural Drawings:
Facilities Management Department Records: Architectural Drawings. This collection contains blueprints of iconic buildings on campus, including the Chapel, Cameron Indoor Stadium, and the West Union.
Property Plats, circa 1925-1932. See digitized plats here. These are survey plats of the Duke University campus prior to the construction of East and West Campus, including what is now Duke Forest.