This collection primarily contains architectural renderings executed by Long in 1906 for a memorial issue of BUILDINGS magazine dedicated to New York architect Stanford White. These drawings represent White's most famous structures designed while he was a partner with McKim, Mead & White. Buildings depicted include Madison Square Garden, the New York Herald Building, and the Washington Memorial Arch, all in New York City, among others. Also included in this collection are miscellaneous architectural drawings by Long, Chester B. Price, and others, circa 1920s-1930s; and printed material.

Included are architectural drawings, surveys, maps, and site proposals, for Columbia's Morningside Heights campus, designed primarily by McKim, Mead & White. Other architects represented include Adams & Woodbridge; Arnold Brunner (who designed the School of Mines); Eggers & Higgins; the Columbia University Buildings and Grounds Department; Howells and Stokes (designed St. Paul's Chapel); Reinhard, Hofmeister and Wahlquist; and James Gamble Rogers. Drawings for buildings no longer in existence or never constructed and drawings for later alterations, are included. Architectural drawings of the Bloomingdale Insane Asylum, and surveys of the asylum site prepared for Columbia, 1888-1894. Also included are site plans and proposals, surveys, and maps, circa 1890s-1910s, showing the surrounding area, including such institutions as the Jewish Theological Seminary, St. Luke's Home, Cathedral of St. John the Divine, Grant's Tomb, and others. Drawings for the Womans's Hospital in the State of New York (designed by Allen & Collens, erected 1903, demolished in the 1970s), circa 1903-1914, are also included. This building was used to house the Columbia School of the Arts in the 1960s since it was located near the campus.

Additional materials include carbons of typescript correspondence of lectures given by Dean William A. Boring (academic year 1933-1934) and Professor Theodor Karl Rohdenburg (academic year 1946-1947). Also design problems, the earliest of which were given in conjunction with the Beaux-Arts Institute of Design, from academic years 1918-1919, 1926-1927, 1936-1937, 1949-1950, and 1957-1958. Also materials for the Architecture 51 class; correspondence of Joseph Hudnut; course outlines; correspondence relating to the search for a new dean of the school, 1957-1963.

Architectural drawings for projects designed by Vegezzi, and drawings made by Vegezzi while he worked as a draftsman in the offices of Kenneth Franzheim and Allan B. Mills, Associate Arch.; Holabird and Root and Burgee; Benjamin Wistar Morris III; Rosenthal, Dessesls and Jones; Trylon Studios; and particularly McKim, Mead & White (81 drawings, 1923-1942).

Architectural drawings and photographs of buildings designed by the firm dating approximately from its founding to the 1950s. Among those represented are buildings at the World's Columbian Exhibition, Chicago, 1893; Pennsylvania Railroad Station, New York, 1906-1910; restoration, 1903, of the White House, Washington, D.C.; buildings at Columbia University's Morningside Heights campus, New York; Boston Public Library, Boston, Mass.; E.W. Morgan mansion; Municipal Building, N.Y.; Col. Elliott Shepherd House, Scarborough, N.Y.; buildings at Amherst College, Amherst, Mass.; Bellevue Hospital, New York; various New York City residences; and others. Also included are competition drawings for the New York Public Library; miscellaneous drawings and sketches; photographs of the partners and of other members of the firm; lists of the firm's work; clippings of articles about the firm; lists of the firm's employees; billing records, 1953-1955; account books, 1940s-1950s; bank books, 1895-1955; award certificates; and other office miscellany.

Also, McKim, Mead & White; Pearsall and Mills; Boring and Tilton; Peabody, Wilson and Brown; Holabird and Root; John B. Peterkin; York and Sawyer; Jackson, Robinson and Adams; George Vernon Russell; John H. Barry; Pliny Rogers; Allen and De Young; Augustus N. Allen; Henry Ives Cobb, Jr.; Bottomley, Wagner and White; Andrew J. Thomas; Harvey Stevenson; R.A. Tissington; John C. Dodd; Walker and Gillette; Grosvenor Atterbury, John Tompkins Assoc.; Donn Barber; Wakefield Worcester; Farrar and Watmough; Henry Wright II; Ralph Thomas Walker; Schultze and Weaver; Henry B. Marsh; Hunter McDonnell; and a few unidentified architects

Collection consists primarily of White's letterpress books and correspondence, with some related bills, receipts, and other ephemera, 1887-1906, relating to his professional and personal matters. Correspondence, 1907, relates to his estate. Correspondents of note include William A. Boring, Richard Morris Hunt, Augustus Saint-Gaudens, Louis C. Tiffany, John La Farge, Charles McKim, Frederick Law Olmsted, Whitney Warren, Stefano Bardini, Bessie White, William Merritt Chase, William Robert Ware, Kenyon Cox, Cornelius Vanderbilt, Percy Baker, Cass Gilbert, Childe Hassam, John Singer Sargent, John Wanamaker, Carrère & Hastings, Thomas Dewing, James McNeill Whistler, Lawrence White, Richard White, and other architects, artists, contractors, suppliers, clients, friends, and family members. One letter book contains letters, 1922, by White's son Lawrence Grant White. Also included are White's architectural drawings for houses he built for himself at St. James, Long Island, 1892-1904, and 121 East 21st Street, New York, undated; miscellaneous drawings; and a few architectural drawings by Lawrence Grant White, and drafts of his translation of Dante's DIVINE COMEDY.

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.