
1 https://en.vogue.me/culture/the-most-inspirational-quotes-from-the-late-sheikh-zayed/, 3 https://www.goodreads.com/author/quotes/9827319.Sheikh_Zayed_Al_Nahyan
1920s, Authority and Religious Liberty (1924)
1 https://en.vogue.me/culture/the-most-inspirational-quotes-from-the-late-sheikh-zayed/, 3 https://www.goodreads.com/author/quotes/9827319.Sheikh_Zayed_Al_Nahyan
Source: Efficiency as a Basis for Operation and Wages, p. 164; ; Cited in: Morgen Witzel (2003) Fifty Key Figures in Management. p. 80
1990s, A Distinctly American Internationalism (November 1999)
Source: The History of Sexuality, Volume 1: An Introduction
Source: Soul Curry for You and Me: An Empowering Philosophy that Can Enrich Your Life, P. 33.
1910s, The Progressives, Past and Present (1910)
1920s, The Democracy of Sports (1924)