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.

The collection contains primarily architectural drawing reproductions documenting the site history of Columbia University's Geology Library from Schermerhorn Hall on Columbia Unversity's Morningside campus to, later, the Lamont-Doherty Geological Observatory in Palisades, N.Y. The drawings are largely floor plans and some building elevations of both the early and later sites, but the collection also includes a survey map of the Palisades, N.Y. site, and site plans for the Thomas W. Lamont, Esq. Country Residence and Gardens. Also included are 9 student drawings of the Geology and Zoology Library in Schermerhorn Hall by School of Mines student Eugene B. Sieminski, Jr. dated 1958. Architects represented include McKim, Mead, and White, Paver & Wildfoerster, and Olmstead Brothers Landscaper Architects.