Lyman Martin (1908-2003) graduated from Parsons School of Design in 1939 and joined Thedlow, an interior decoration firm. At Thedlow, Martin created interiors and watercolor renderings, and designed rugs and murals. In 1969, Martin became president of Thedlow, remaining until its closure in 1979. The collection includes student work, interior drawings, a travel diary, floorplans, photographs, clippings, and exhibition files.

Raymond S. Waldron, Jr. (1913-2002) attended the New York School of Fine and Applied Art (later, Parsons School of Design) from 1938-1941. After serving in World War II, Waldron worked for Lord & Taylor. In 1965, he established his own interior decoration firm. The collection includes his student work, a travel sketchbook, and professional files. Waldron's student work includes notebooks, instructor handouts, sketches and renderings, and tracings.

A travel sketchbook reflects Waldron's later design studies in New York, France and Italy. Materials from Waldron's professional career include project files, design research, stereo slides of the Blair House, among other projects, and publicity for his business.

Violet Holsinger Mueller (1907-2003) studied fashion design at the New York School of Fine and Applied Art (later, Parsons School of Design) from 1926 through 1929. She worked as an interior designer for Stix, Baer & Fuller, a St. Louis-based department store, and founded her own design consultancy in Belleville, Illinois. Her papers include personal materials, and documentation created during her studies at Parsons and her design career.