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.

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.

Ranging from the 1920s through the 1960s, this collection consists of files Jessica Rummel kept for her New York City-based interior decoration business, which operated during at least part of this period as Harding & Rummel, Inc. The files, which Rummel arranged, include small drawings, watercolors, site plans, and tracings of decorative elements, furniture, textiles, and interior layouts produced by Rummel in the course of her business. The collection also includes vendor literature, magazine and catalog clippings, postcards, price lists, and business correspondence. Rummel was on the faculty of the New York School of Fine and Applied Art (later, Parsons The New School for Design) in the Interior Architecture and Decoration Department from 1921 through 1934.

Irene Walker (1919-2002) was a Parsons School of Design alumna ('51) and an interior designer, who worked for the firm McMillen Inc., before establishing her own firm, Joie de Vivre, Irene Walker Inc., in 1966. The collection consists of Walker's student work and documentation of her professional work.

In 1960, Bess Bernard established her own company, Bernard Design International, Ltd., specializing in interior design projects for commercial and residential spaces. The collection (1960s-1980s) consists of forty-two watercolor and pencil renderings produced by various artists for Bernard Design International.

Albert Hadley (1920-2012) graduated from Parsons School of Design in 1949 and served on the faculty from 1949 through 1954. Hadley later joined Dorothy "Sister" Parish to form the interior design firm Parish-Hadley. The collection includes correspondence, design and lecture notes, student work and a mock-up for a booklet.