Diaries -- United States -- 20th century.

Abstract Collection consists of personal and professional correspondence, letterbooks, addresses, biographical data, diaries, scrapbooks, school notes and textbooks, syllabi, lectures and outlines, typescript papers and articles, printed material, policy directives, card files, sample contracts, projects files and reports, slides, photographs, negatives, plans, blueprints, drawings, charts, and maps relating to Nolen's work in city planning, preservation, survey projects, zoning, and extension...