Collection includes James Renwick's sketches, 1813, for the layout of Columbia University's second campus on Park Row (there have been four campuses to date: the first on Wall Street, the third on 49th Street and Madison Avenue, and the current campus in Morningside Heights), and a medal awarded him, 1824, by the Franklin Institute, Philadelphia. James Renwick, Jr. is represented by his architectural drawings of St. Patrick's Cathedral, New York, which he designed. Some of the drawings are signed by Bertram Grosvenor Goodhue. Also, published drawings of the Cathedral, 1886; negatives and photographs, circa 1860s, showing the Cathedral under construction; interior and exterior photographs, circa 1930s-1960s, of the Cathedral; and photographs of Grace Church, New York, also designed by James Renwick, Jr. Renwick family correspondence, 1930s, and typescript copies of 19th century Renwick family correspondence relating to family history and genealogy; photographs of James Renwick, Jr; typescript copies of family Bible records, 1792-1863; Renwick coat of arms.

Photographs and architectural drawings of Lienau's work, much of it in New York City and in New Jersey. Projects include the Gardner A. Sage Library for the General Theological Seminary in New Brunswick, N.J.; the Francis Cottenet Villa in Dobbs Ferry, N.Y.; a house for Legrand Lockwood in South Norwalk, Conn., later owned by Mark Twain and now known as the Lockwood-Mathews Mansion; and the Telfair Academy of Arts and Sciences in Savannah, Ga. Also included are drawings of unidentified or unexecuted buildings; student drawings, and early European commissions; lecture notes, 1835-1837, from the Stadtische Gewerbeschule, Berlin; a partial list of of Lienau's work, 1848-1886; specifications; acounts; printed material; photographs, postcards, and prints showing various European buildings; clippings; certificates; typescripts of articles; and correspondence.

Architectural drawings for buildings designed by Hamlin including proposed alterations for the Charles Dudley Warner House, circa 1885; pumping station Clear Stream (or Clear Stream Station), Long Island, 1886; American Classical School, Athens, Greece, 1886-1888; proposed cottage for Mrs. R. Hoe at Sea Cliff, Long Island, 1887; an addition to Clinton Hall at Blair Presbyterian Academy, Blairstown, New Jersey, circa 1896; Soldier's Monument, Whitinsville, Massachusetts, circa 1904 (Hamlin was the architect and Herman A. MacNeil was the sculptor); and miscellaneous and unidentified structures. Also included are drawings done by Hamlin while a student at the Massachusetts Institute of Technology, 1876-1877; sketches done by Hamlin on travels both in the United States and abroad, 1867-1923; photographs of various unidentified buildings and architectural drawings; manuscripts of "ARCHITECTURAL SHADES AND SHADOWS" with related drawings"History of American Art" (unfinished, in French), circa 1923, and "MODERN ARCHITECTURE AND THE CRITICS" circa 1923. Personal materials included undated photographs of A.D.F. Hamlin; a photograph of an 1835 portrait of Cyrus Hamlin; a volume containing condolences, 1926, on the occasion of A.D.F. Hamlin's death; and a scrapbook"Memoirs of Amherst, Class of '75" containing programs, invitations, clippings, notes, essays, exam questions, steamship passenger lists, and other materials.

Included are 60 photographs, approximately half of which show architectural drawings and models of the New York State Capitol at Albany, and views of the Capitol under construction, circa 1860s-1880s. These primarily show the work of Eidlitz, Richardson and Company, who designed the Capitol. Projects of Fuller and Laver and I. G. Perry for the Capitol are also depicted. The rest of the photographs show other projects by Leopold Eidlitz and his firm including the American Exchange Bank, New York City, 1857; Broadway Tabernacle, New York City, 1859; the Continental Bank, New York City, 1856; the Cooper Union, New York City, circa 1886; Dry Dock Savings Bank, New York City, 1875; and Temple Emanu-El, New York City, 1868. Also, unidentified buildings, and buildings by other architects, including Cyrus W. Eidlitz (Association of the Bar of New York, Main Library, New York City, 1895), and Robert H. Robertson (Phillips Presbyterian Church, New York City, 1874). Two original drawings by Eidlitz of Christ Church, St. Louis, Missouri, circa 1859, and a competition design for the New York City Crystal Palace, circa 1852.

Also, typescripts of lectures delivered by Boring in architecture courses at Columbia, 1932-1933, miscellaneous typescripts of articles and printed materials, 1930-1933, and a typescript of Boring's autobiography, MEMORIES OF THE LIFE AND WORK OF WILLIAM A. BORING, circa 1937. Also included are four sketches by Henri Gauthier, Edward Tilton, Maurice Sashin, and Joseph Laudin.

Included in this collection are nineteen albumen photographs and one lithographic print of architectural drawings submitted by architects for the competition to design the New York State Capitol building in Albany, circa 1866-1870. Competing architects and architectural firms represented here include Adams & Worthen, Louis Burger, Fuller & Gilman, Fuller & Laver, Schulze & Schoen, and several unidentified architects. Of note are drawings for the New York State Capitol by Louis Burger and Schulze & Schoen bearing inscriptions to Obadiah B. Latham, a member of the Capitol Commission. Also included are nine photographs showing construction in progress on the Capitol between July and September, 1869. Photographs of competition drawings by Schulze & Schoen for the Iowa Capitol, the New York Post Office, and the New York Life Insurance Company Building, as well as an unsigned drawing of the Ohio Capitol building are additionally part of this collection. Several of the images are labeled by the photographer E.S.M. Haines, also practicing as Haines & Wickes, in Albany, New York.

Included are drawings made by Avery while studying under Jules Andre at the Ecole des Beaux-Arts, Paris, and sketchbooks containing sketches made in Paris and on excursions, 1872-1879. Architectural drawings and photographs of architectural drawings for proposed or executed residential and commercial buildings, churches, art galleries, monuments, and other structures, 1880s; competition drawings for public monuments, 1883-1887; experimental studies, 1885, for the pedestal of Frederic-Auguste Bartholdi's Statue of Liberty; and 39 studies and finished drawings, 1888-1890, made for a competition for a memorial for Ulysses S. Grant which he did not win. Also, magazine articles by or about Avery and his work, 1883-1890; obituaries and death announcements, 1890; miscellaneous photographs, certificates, and papers; and invitations, clippings, illustrations, and photographs, circa 1892-1894, relating to the founding of the Avery Architectural Library at Columbia University.

Louis Henry Sullivan (1856-1924) was an American architect and partner in the Chicago architectural firm Alder & Sullivan. He is also known as a mentor to architect Frank Lloyd Wright. The core of the collection is made up of 122 drawings given to Frank Lloyd Wright by Louis Sullivan before Sullivan's death in 1924. The Avery collection represents the bulk of what remains of Sullivan's drawings. Most of the drawings in this collection are designs for ornament representing different stages of Sullivan's stylistic development. Some drawings are annotated by Wright. The collection also includes additional donations of drawings, objects, and papers collected over the years.

Wilson Eyre, Jr. (1858-1944) was an American architect, teacher and writer who practiced in Philadelphia. He is known for his country houses and for being an innovator in the Shingle Style.

Included are drawings--from preliminary sketches to finished renderings--done by students in the architecture program at the School of Mines at Columbia and, later, at the School of Architecture at Columbia. The bulk of these were done circa 1884-1912, during the tenures of Deans William Robert Ware (1881-1903) and A.D.F. Hamlin (1903-1912). Included in collection are student drawings by William A. Boring, Harry Allan Jacobs, Benjamin Wistar Morris, Jr., Julian Clarence Levi, Arthur Ware, Talbot Faulkner Hamlin, Leopold F. Arnaud, Perry Coke Smith, Theodor Karl Rohdenburg, and Aladar Olgyay. Also, drawings done by architecture students at the Massachusetts Institute of Technology, circa 1880s; a photograph, undated, of William Robert Ware; and one drawing, 1879, by architect Cass Gilbert.