The collection of artists' letters compiled by Mary and John McGuigan Jr. measure 0.6 linear feet and date from 1794-1938. The collection is comprised of a group of letters, writings, and signed documents to and from a variety of artists, art administrators, art critics, historians, and art-related organizations assembled from multiple sources. It also includes associated printed material with some documents and a few photographs, including carte de visites and cabinet cards.

The Library of Congress Copyright Deposit Collection is comprised of 2,335 photomechanical reproductions of works by 741 artists (mostly American). The large-format prints, deposited with the Library of Congress for copyright between 1890 and 1945, represent a broad range of nineteenth- and twentieth-century American art.

Estelle Ellis is a pioneer in publishing, advertising, and marketing. She was among the first to focus on the American female demographic, especially teens and working-class women. Condé Nast Publications, Incorporated, Carter Hawley Hale-owned department stores, Phillips-Van Heusen, Dow Chemical, and the Kimberly-Clark Corporation were among her clients. The Papers include business correspondence and proposals, marketing materials, advertisements, and oral history interviews with Ellis.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Publishing forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana

The collection consists of correspondence, invoices, drawings, photographs, and negatives and other printed literature documenting the Baltimore and Ohio Railroad from its inception in 1827 to its merger with the Chesapeake and Ohio Railroad in the 1960s.

The papers of art historian E. P. Richardson measure 28.7 linear feet and date from 1814-1996, with the bulk of the materials dating from 1921-1996. Within the papers are scattered biographical materials; acquisition files for Richardson's personal art collection; professional and personal correspondence with colleagues, art historians and critics, artists, museums, galleries, and dealers; numerous writings, including manuscripts and research files for his published books, articles, and lectures; general research notebooks and files compiled by Richardson on a wide variety of art-related topics and artists; professional and committee files; as well as a smaller amount of Constance C. Richardson's papers.

Wurtz's scheme, presented in a report to the stockholders, was a new method for the dry distillation of non-caking coal to obtain liquid oils and paraffin. Included in this box are: the report to the stockholders of the Union Chemical Manufacturing Co., 1883; patent specifications, 1881; correspondence with the Patent Office, prospectus on coal distillation, 1885; a notebook of minutes from meetings of Union Chemical Manufacturing Co., 1881-1883.

Originally assembled by the Metropolitan Museum of Art for study purposes, this collection is comprised of 2,790 black-and-white photographs documenting the work of 250 sculptors.

The records of the Richard York Gallery, a New York gallery specializing in American art from early 1800s to 1950, measure 79.3 linear feet and date from circa 1865-2005, with the bulk of the material dating from 1981 to 2004. Three-fourths of the records are artists' artwork files, documenting the sale and consignment of nearly 6,500 works of art. The gallery's activities are also recorded through correspondence, client files, gallery invoices, inventories, business and financial records, printed materials, scrapbooks, photographic materials of artwork, and estate records for the John Marin estate and Sergio Stella estate (Joseph Stella). An addition of 10.2 linear feet, dated circa 1865 to 2005, includes artists' files arranged alphabetically containing printed material, clippings, exhibition announcements, and scattered correspondence and financial documents.

Papers of Uriah A. Boyden (1804-1879), a Boston civil and mechanical engineer and the inventor of the Boyden turbine. Materials include correspondence, notes, calculations, articles, notebooks, legal documents, financial documents, patents and patent assignments, design drawings, newspaper clippings, pamphlets, business cards, and a print of a daguerreotype.