The papers of contemporary and folk art curator, historian, and consultant Dorothy C. Miller measure 34.6 linear feet and date from 1853-2013, with the bulk of the material dating from 1920 to 1996. The papers primarily concern Miller's private art consulting work outside of her curatorial work at the Museum of Modern Art in New York City. Found are scattered biographical materials, extensive correspondence and subject files, and project files for her art consulting work for the Rockefeller family, Rockefeller University, Chase Manhattan Bank, the Port Authority of New York and New Jersey, the World Trade Center, and other miscellaneous corporate and private clients. Miller's work as a trustee and committee member of various public and private boards and commissions is also represented here. Additionally, the papers contain Miller's research files on Edward Hicks and folk art, and a small number of files of her husband Holger Cahill about his work as Director of the Federal Art Project. There is a scattered documentation of Miller's early curatorial work with Holger Cahill on the First Municipal Art Exhibition (1934) held at the RCA Building in Rockefeller Center. Also found is Dorothy Miller's collection of artists' Christmas cards and photographs of Miller and others. An addition to the papers includes biographical material; family papers; correspondence; professional files; art collection and client files; printed material; and photographic material. While a small number professional files are included, the majority of the addition relates to her personal life, including correspondence with her husband Holger Cahill, and files pertaining to her personal art collection.

Correspondence; photographs; scrapbooks; sketchbooks and sketches; exhibition catalogs and announcements; clippings; and printed material.

The personal papers of Charles Lang Freer, the industrialist and art collector who founded the Freer Gallery of Art. The papers include correspondence, diaries, art inventories, scrapbooks of clippings on James McNeil Whistler and other press clippings, and photographs.

The papers of artist Kenneth Snelson measure 21.8 linear feet and date from 1947-2016. While primarily known for his sculptures incorporating the structural principle of tensegrity, Snelson was also a prolific photographer and forerunner of computer art. The collection document's the artist's life and work through chronological files, correspondence, project files, gallery and exhibition files, photographic material, and printed material. Chronological files detail seven decades of personal and professional activities, beginning with Snelson's summers at Black Mountain College where he studied with Buckminster Fuller. Project files comprise nearly half of the collection and extensively document his sculptures, towers, atom model, computer art, patents, and cataloging and publishing projects.

The records of nationally renowned Boston, Massachussetts, stained glass design company, Wilbur H. Burnham Studios, measure 40.3 linear feet and date from circa 1901-1991. The majority of the collection consists of project files for the studio's stained glass window contracts throughout the United States from the 1920s-1980s. In addition to project files, records include biographical material for the owners, correspondence relating to personal and studio business, general business and financial records, writings such as published articles by Wilbur H. Burnham, scrapbooks and other printed material documenting the history of the company, artwork including extensive watercolor design studies for stained glass, and photographic material. There is a 3.4 linear foot unprocessed addition to this collection donated in 2021 that includes sketches, awards, printed material, passports, biographical material, Christmas cards, photographs and negatives of Burnham and works of art, slides and postcards of stained glass windows, posthumous material, a bound ledger, legal papers, invoices and receipts, project files and glass plate negatives. Materials date from circa 1901-1991.

The scattered papers of architect and furniture designer Olav Hammarstrom measure 0.7 linear feet and date from 1939 to 1980. The bulk of the collection consists of project files of architectural works in the United States and around the world. Project files may include correspondence, drawings and architectural renderings, photographs, and printed material.

The papers of sculptor and educator Marianna Pineda (1925-1996) date from 1943-1998 and measure 3.7 linear feet and 0.001 GB. The collection documents Pineda's career through biographical material, correspondence, exhibition files, project files, personal business records, printed and digital material, photographs, and some audiovisual material.

These records consist of the files of Charles Robertson as Deputy Director. They include administrative subject files, arranged by year; exhibition files; and files concerning National Museum of American Art (NMAA) Commission meetings and retired commissioners. Some of the events documented in these records include the ninetieth birthday ...

This record unit documents the activities of the Office of the Registrar staff and consists of temporary loan files; temporary exhibition files, including shipping, insurance information, and loan agreements; general correspondence files; administrative files; and the files of the Smithsonian Art Commission, 1963-1975.

The papers of art collectors, art patrons, and philanthropists Lawrence and Barbara Fleischman measure 4.9 linear feet and date from 1837 to 1984, with the bulk of the materials dating from 1935-1979. The papers are comprised mostly of correspondence with artists, museums, and arts organizations. Also found are scattered biographical materials, artists' autograph letters purchased by the Fleischmans, exhibition files, notes and writings, printed material, and photographs.