Photographs, lantern slides, and illustrations of numerous library buildings in the United States and throughout the world, circa late 19th through early 20th centuries. Of particular note are photographs, undated, of people (possibly faculty and students) at New York Public Library's library school.

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.

Files of the company, 1911-1920, much of which consists of unsucessful architectural bid documents, each noting the architect, building, and location, as well as estimated costs, sketches, and related correspondents. These bid documents represent commissions not awarded to NYATCC, and do, in some cases, indicate the outcome of the bid. Architects represented include McKim, Mead & White; Cass Gilbert; George Post; D.H. Burnham & Company; Warren & Wetmore, Schwartz & Gross, and many others. Also includes correspondence and office memoranda, including some describing the formative years, 1911-1914, of the National Terra Cotta Society, trade catalogs, and job photographs. Also, two albums containing photographs of sample pieces of terra cotta, and month by month construction records for three buildings, including the American Theater (42nd Street, New York, 1892) by Charles Coolidge Haight; the Renaissance Apartments (Brooklyn, N.Y., 1889) and the Imperial Apartments (Brooklyn, N.Y., 1890) both by Montrose Morris.

Undated photographs taken circa 1940s-1960s show interiors and exteriors of eighteenth and nineteenth century buildings in Kentucky. Buildings include The Grange, near Paris, built 1818; the Old Capitol, Frankfort, built 1827-1829; Adam Childers House, Versailles, built circa 1845; Betty Bryan Place, Harrodsburg Pike, built circa 1843; Holloway House, Richmond, built circa 1838; Castlelawn, near Lexington, undated; Junius Ward Place, near Georgetown, built 1859; Warwick, at Danville, built circa 1845; and others.

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.

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.

This small collection of Bach's professional papers contains primarily correspondence and papers related to his consulting work for the American Institute of Interior Designers and his correspondence with UNESCO and other organizations regarding laws against design piracy. The collection also contains correspondence, notes, and clippings concerning his research on industrial design topics, including the value of better design in industry, an ideal industrial design school, and specialized museums serving industries. Also included in the collection are typescripts and published copies of some of Bach's writings and lectures.

This collection contains primarily landscape and cityscape views primarily taken by professional photographers at international sites during the last quarter of the 19th century.

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.