Horace Holden Thayer, Jr. (1878-1959) was a naval architect, mechinical engineer, and businessman. Between 1909 and 1914 Thayer worked for the Delaware Construction Company which was a building company, constructing residential homes in downtown Wilmington, Delaware. This collection contains photographs of fifteen homes taken between 1910 and 1914. The images are of exterior views only.

Harpers Ferry Paper Company and Shenandoah Pulp Company were established in the late nineteenth century by Thomas H. Savery (1837-1910) along the Shenandoah and Potomac Rivers. This small collection contains a production graph and chart showing financial positions on a comparative basis for the companies.

Harpers Ferry Paper Company and Shenandoah Pulp Company were established in the late nineteenth century by Thomas H. Savery (1837-1910) along the Shenandoah and Potomac Rivers. The papers contain certificates of incorporation, financial notes, reports and charts on operation costs, statistical data on wood and pulp, inventories of material on hand at the mill, and correspondence with Horace H. Thayer Jr. (1878-1959), Savery's son-in-law.

Horace Holden Thayer, Jr. (1878-1959) was a naval architect, mechinical engineer, and businessman. Between 1909 and 1914 Thayer worked for the Delaware Construction Company which was a building company, and a subsidary of the National Real Estate Trust Company, which provided loans and financing for the properties. This small collection consists of papers relating to Thayer's early work with the National Real Estate Trust Company and the Delaware Construction Co. These materials document the formation of the National Real Estate Trust Company and building specifications for the Delaware Construction Co. There is a small amount of papers related to the businesses of his father-in-law Thomas H. Savery (1837-1910), specifically the Harpers Ferry Paper Company and the Shanandeoah Pulp Company.

The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. This collection includes nine letters of correspondence to the Pusey & Jones Company and Horace H. Thayer (1878-1959), from J.N. Davis, and from the Pulp and Paper Magazine.

The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. The collection primarily contains correspondence between Horace H. Thayer Jr. (1878-1959) and Thomas H. Savery (1837-1910) regarding matters of importance to the company.