The papers, divided into two parts, document the life and political career of John Lindsay from student days at Yale University through his two terms as mayor of New York City, 1965-1973. Part I. contains pre-congressional and congressional papers covering the years 1944-1965 and includes his Yale senior thesis, personal correspondence and subject files, campaign records, and congressional papers for the years 1959-1965. Part II. contains Lindsay's personal mayoral papers covering the years 1965-1973. The papers include personal correspondence, schedules, appointment books, subject files, campaign records, the papers of ten assistants to the mayor, photographs and other materials. Accessions to the collection provide additional material relating to Lindsay's congressional and mayoral years, as well as his 1972 Democratic presidential nomination bid and his 1980 Senate primary campaign.