Windsor Farms is one of Richmond's first planned neighborhood, primarily of Colonial Revival design. Architects included Duncan Lee, William Lawrence Bottomley, and C.W. Huff Jr. This collection includes plans, elevations, details, and typed specifications for a house built for Eugene E. du Pont (1914-1995) by architect C.W. Huff Jr.

The Delaware Construction Company was a building company, constructing residential houses in downtown Wilmington, Delaware. It was founded in 1909 as a subsidiary of the National Real Estate Trust Company, which provided loans and financing for the properties. This small collection consists of five blueprints of houses by E. Olney Sherman, dated 1910 for Delaware Construction Co.

E. Paul du Pont (1887-1950), the son of Francis Gurney du Pont (1850-1905) and Elise Simons du Pont (1849-1919), is best known as the manufacturer of the Du Pont automobile. He owned the house Squirrel Run Hill, the former Second Office of E.I. du Pont de Nemours & Company, and the surrounding grounds. This small collection includes papers relating to additions and alterations to Squirrel Run Hill and papers relating to the estates of his parents.

Upper Louviers was a residence located on the east bank of the Brandywine Creek in Brandywine Hundred, Delaware, opposite the powder mills of E. I. du Pont de Nemours & Company. Elise du Pont Elrick (1902-1984), who lived at Upper Louviers as a child, was an architect and translator. This collection consists of architectural drawings of the residence made by Elise du Pont Elrick in 1936.

John A. Bader II (1895-1961) was a Wilmington, Delaware, building contractor active during the 1930s, 1940s, and 1950s. The records are primarily Bader's business papers. The collection includes engineer's field books, diaries of trips, and job notes. Eight volumes contain profit and loss statements, cost accounting for jobs, records of checks paid, and files on individual construction jobs.

Longwood Gardens is a series of formal display gardens in Kennett Square, Pennsylvania that was developed by Pierre S. du Pont (1870-1954) after he purchased the site from the Peirce family in 1906. The collection includes two 1925 blueprints for two of the three bungalows that were built at Longwood.

"Rencourt" was the Wilmington, Delaware, home of Alexis Irénée du Pont (1843-1904) and his family. Pennsylvania architect Theophilus P. Chandler, Jr. (1845-1928) designed the house; it was built in 1890 and demolished in the 1950s. This collection includes plans of the main and second floors (ink on linen), plans and elevation of the stables (white-line blueprints), and plans of the gate (white-line blueprint).

The Johns Manville Corporation is an American insulation manufacturer. This film is a rare post-war era industrial film from Johns-Manville, Luther Reed productions about the importance of insulating your home.

Wawaset Park was a planned residential community built by the DuPont Company around 1918 for its executives in Wilmington, Delaware. These panoramic photographs depict construction of homes and overall views of area, street scenes, and pictures of individual houses.