This collection contains photographs, printed and typescript papers, and other documents collected by Leslie O. Merrill in the course of his research on Greek Revival architecture in Syracuse, New York and minor historic preservation efforts. The collection also includes files of examples of Greek Revival architecture in other locations in the United States and Europe.

This collections contains the professional research, writing, publications, and correspondence produced and collected by Rattner through her study of the architect James Renwick, Jr. The bulk of Rattner's research addresses the life and works of Renwick, but other research topics represented in her papers range from the Renwick family genealogy to the institutional architecture of New York City. Types of research material include personal research notes (in notecard format, both typed and holograph), correspondence (1963-2001), newspaper and magazine clippings, Xerox copies of archival material and secondary sources, transcribed articles and correspondence, brochures from historic sites, photographs and slides of buildings and sites, sketches, historic structure inventory forms, landmark nomination forms, landmark designation reports, and postcards.

Douglas Putnam Haskellan (1899-1979) was an American writer, architecture critic and magazine editor. This collection contains correspondence, memos, articles, speeches, lectures, transcripts, clippings, notes, printed matter, photographs, audiotapes, and memorabilia mainly relating to Douglas Haskell's editorship at Architectural Forum and his professional activities. The collection includes items dating from 1866 to 1979, with the majority of materials dating from the period of 1949 to 1964.

This collection is made up of architectural drawings, correspondence, specifications, contracts, invoices, minutes, financial statements, patents, advertisements, photographs, photograph album, test results and reports, memoranda, tile samples, factory order cards, and other materials pertaining to The Guastavino Fireproof Construction Company's projects. The dates of the materials span 1866-1985, with bulk dates 1890-1942. The architectural records include structural, decorative, and acoustical sample products and fragments. Also included are materials added to the files by George Collins (1917-1993), Professor of Art History at Columbia University. Prof. Collins secured the donation of this archive in 1963, and remained its custodian until it was transferred to the Drawings and Archives Collection at the Avery Architectural and Fine Arts Library in 1988. The records document Prof. Collins' research efforts, as well as the Company's projects in forty states (including District of Columbia), four Canadian provinces, and eleven other foreign countries.

The collection provides primary documentation of the material design and construction of a mansioned commissioned by the lawyer A. Frank B. Chace and located at 5 Willard Place in Hudson, N.Y. Included are two versions of Croff's "General specifications for the enaction, construction and all requiste material.." (June 1874); two draft proposals and final 26 page contract, with detailed specs, for building the house made with Morris & O'Connor, of Rhinebeck, N.Y. (October 1874); 18 pieces of correspondence, both brief and detailed, from Croff to Chace, with one regarding his book and including a printed prospectus of it; a full run of payment receipts from builders Morris & O'Connor; and a small batch of bills for various materials relating to the house.

Charles Adam Platt (1861-1933) was an American architect and landscape designer. Although best remembered today for his landscape and country house designs, he was also nationally known for his etchings, landscape paintings, commercial architecture, and institutional projects. He was largely self-taught in each of these disciplines, building his success on his ability to reconceive the classical tradition in architecture for the needs and desires of his wealthy, powerful clients. This collection contains materials related to Platt's personal and professional lives, the bulk originating from Platt's office in the form of project drawings, photographs, and records documenting architectural projects from 1901-1933.

Ernest Flagg was an American architect in the Beaux-Arts style. The collection is made up of diaries, correspondence, photographs, project records, Flagg's writings, and clippings.

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 includes one drawing, ink and wash on paper, of the Soldiers' and Sailors' Memorial; a drawing in ink and wash on paper of the Trenton War Memorial; and 17 drawings, graphite on tracing paper, of the Kemble Building, located at 15-25 Whitehall Street in Manhattan. Eight boxes of office records that include correspondence concerning buildings for the Goelet Estate, Cadillac Hotel, and Grant's Tomb, and a postcard to architectural renderer Hughson Hawley. Also included is a diary and an album of family photographs and architectural projects.

This collection primarily contains original correspondence--including letters, telegrams, and postcards-- to California architect Robert D. Farquhar from Chester A. Aldrich. Also included is a small group of letters from Amey Owen Aldrich to Farquhar. Most letters are accompanied by envelopes; a very few contain photographs, clippings and other ephemera. Matters discussed in the correspondence vary widely from intimate personal subjects to observations and reports on the work of Carrère & Hastings and Delano & Aldrich, the American Red Cross and its work with soldiers in Italy during World War I, the rise of Fasicsm in Italy, economic hardships during the Depression, and the state of American and European architecture.