This collection includes original and reprographic architectural drawings, project files, photographs, correspondence, and professional papers related to preservation architect Giorgio Cavaglieri's architectural work, professional associations, and writings.

This collection contains approximately 5100 drawings, including preliminary design drawings and unbuilt studies, presentation drawings, and working drawings, for more than 100 individual projects designed by Philip Johnson, some in collaboration with John Burgee. Locations include the United States, Canada, France, Germany, Israel, and Venezuela. Major commissions included in this collection are the Glass House in New Canaan, CT; the New York State Pavilion for the 1964 World's Fair, Queens, NY; the New York State Theater at Lincoln Center, NYC; Asia House, NYC; the H.L. Moses Building at Montefiore Hospital, Bronx, NY; the master plan for Welfare Island, NYC; the Munson-Williams Proctor Institute, Utica, NY; the Amon Carter Museum, Fort Worth, TX; and buildings for Sarah Lawrence College, Seton Hill College, the University of St. Thomas, and Yale University. Also of note in this collection are many presentation renderings by Helmut Jacoby and other architectural renderers. A subset of this collection includes drawings created for the 1996 monograph on Philip Johnson by Peter Blake.