Eleanor Pepper was a pioneer in the field of interior design, running one of the first departments of interior design in an architecture office before opening her own practice in 1950. The collection contains papers related to Eleanor Pepper's professional and academic lives, and includes some personal papers, mostly in the form of resumes and biographical sketches.
The bulk of the collection consists of historic photographs from early and mid-century architectural projects. Additionally, there are some office records, project files and architectural drawings.
Leopold Arnaud was a member of the Columbia University's School of Architecture faculty for 31 years and dean from 1937 to 1960. The collection consist of architectural drawings, correspondence, student photographs, student sketchbooks and papers documenting the 1944-1945 Architectural Competition for Permanent Building Construction at the United States Military Academy at West Point, New York.
Ralph Walker (1889-1973) was an American architect and president of the American Institute of Architects (A.I.A.) from 1949 to 1951. The majority of the collection consists of personal writings by Walker including essays, poetry, and other manuscripts. There is some correspondence as well as documentation concerning the AIA Censure Walker and his firm received. Beyond this, there is very little relating to Walker's architectural practice.