This collection primarily contains architectural drawings, photographs, business records and reference materials related to the projects and designs of architectural and engineering firm Abbott, Merkt and Company. A subsidiary portion of the collection includes drawings, photographs and papers related to the life and career of Richard H. Tatlow, III, president of Abbott Merkt, as well as the firms and agencies for which he also worked.

This collection contains architectural drawings, photographs, business records and reference materials related to the projects and designs of Bertram Grosvenor Goodhue and his successor firm, Mayers, Murray & Philips, primarily in the New York City region. A large portion of the collection consists of personal and professional correspondence to and from Goodhue from the early 1900s until his death in 1926. Relatively few architectural drawings from his professional practice survive.

This collection documents the life and career of Edgar Allen Tafel: New York architect, Frank Lloyd Wright historian, and one of the original apprentices of the Taliesin Fellowship from 1932. The collection primarily documents Tafel's professional activities and his later independent architectural career which was most prominent from 1965-1985. The collection is made up of nine series: Personal Papers, Correspondence, Writings, Professional Papers, Office Records, Project Records, Photographs and Slides, Audio-Visual Material, and Printed Material.

The collection is made up of Katherine C. Moore's research files on the careers of Trowbridge and Livingston. The files include Moore's notes, clippings, and sometimes photographs of the buildings designed by the firm. Projects that have photographs include, among others, Bankers Trust Company Building, the Banking House for J.P. Morgan & Co., Chemical National Bank, Empire City Savings Bank, Bank of America (Wall Street), Equitable Trust Building, Gulf Refining Building (Pittsburg, PA), Mellon National Bank (Pittsburg, PA), Nagoya Branch of the Mitsui Bank (Tokyo, Japan), Red Cross Memorial to the Women of the Civil War, and the John B. Trevor Residence (11 East 91st Street, NYC). The collection also includes certificates and diplomas of Goodhue Livingston, as well as a 1994 certificate of commendation from BELCA (Building and Equipment Life Cycle Association) for the Mitsui Bank in Tokyo, Japan; an issue of "The Architects and their Works" (Vol. 1, No. 4) on Trowbridge & Livingston dated 7 Nov 1908; and 10 architectural drawings for the Residence of Orme Wilson, Jr. Esq. on 11 East 64th Street (New York, NY).

This small collection contains primarily project records--including drawings, files, reports, correspondence, and photographs--related to the architectural practice of Kenneth Coles. The majority of projects, including commercial, institutional, and residential, are located in New York State, with a few commissions for Citibank and Grindlay's Bank and for private residences located overseas.

This small collection contains primarily photographs, supplemented by a very few architectural drawings, specifications, and reference materials related to the projects and designs of Bertram Grosvenor Goodhue and his successor firm, Mayers, Murray & Philips, in the New York City region and in other locations in the United States. It also includes reference materials and a photograph of Betram Goodhue's New York City office.

Also, minutes kept by Richard Michell Upjohn for the American Institute of Architects, New York Chapter, Committee for Library and Publications, 1868-1877, and Executive Committee, 1867-1889; sketchbooks, 1850s-1870s; photographs of Upjohn buildings and portraits of Richard Upjohn; correspondence, wills, memorial tributes, manuscripts, printed material, and miscellaneous personal and business documents; and several drawings by other architects including Alexander Jackson Davis, Hobart Brown Upjohn, and Calvert Vaux

This collection contains architectural photographs, drawings and records related to the architectural projects and designs of Warren and Wetmore, principally in the United States, but also representing commissions in Canada, Cuba, and Puerto Rico. Unfortunately, the bulk of architectural drawings produced by the firm are no longer extant. Additionally, it holds a variety of photographs and other records used as reference materials in the course of Warren and Wetmore's professional work. Lastly, a small group of student and personal papers and photographs from Whitney Warren completes the collection.

This collection contains primarily project records, including drawings, files, specifications, correspondence, and photographs, related to the architectural practice of William & Geoffrey Platt. Projects including commercial, institutional, and residential buildings located in Colorado, Connecticut, Delaware, Florida, Louisiana, Massachusetts, Maine, North Carolina, New Jersey, New York, Ohio, Pennsylvania, Virginia, Vermont, Washington, and France. The firm was involved in the design of many buildings and additions for institutions such as the Pierpoint Morgan Library, Princeton University, Smith College, and Deerfield Academy.