Ivy Ledbetter Lee Papers, 1881-2003 (mostly 1915-1946)
Princeton University. Library. Department of Rare Books and Special Collections
The Ivy L. Lee Papers consist of personal papers and material from the public relations firm of Ivy Lee and Associates, documenting Ivy Lee's public relations theories and practice. Included are correspondence, diaries, articles, writings, public relations material, newsreels, and photographs reflecting Lee's interest in public relations, transportation (especially railroads), financial markets, and foreign relations, among others. Digital images of the Interborough Rapid Transit posters in Series 9 are available at Digital PUL.