Leo Burnett (1961). “Communications of an Advertising Man: Selections from the Speeches, Articles, Memoranda, and Miscellaneous Writings of Leo Burnett”
Will Rogers, Bryan B. Sterling (1995). “Will Rogers Speaks: Over 1,000 Timeless Quotations for Public Speakers (writers, Politicians, Comedians, Browsers ...)”, M Evans & Company
Leo Burnett (1961). “Communications of an Advertising Man: Selections from the Speeches, Articles, Memoranda, and Miscellaneous Writings of Leo Burnett”