Hobbes, Thomas (1972). Bernard Gert, ed. Man and Citizen (De Homine and De Cive). Indianapolis: Hackett Publishing Company. ISBN 0-8446-4756-X. pp17-18
Hobbes, Thomas (1972). Bernard Gert, ed. Man and Citizen (De Homine and De Cive). Indianapolis: Hackett Publishing Company. ISBN 0-8446-4756-X. pp68-70
Hobbes, Thomas (1972). Bernard Gert, ed. Man and Citizen (De Homine and De Cive). Indianapolis: Hackett Publishing Company. ISBN 0-8446-4756-X. pp150-152
Siegbert A. Warwitz: Vom Sinn des Wagens. Warum Menschen sich gefährlichen Herausforderungen stellen. In: DAV (Hrsg.): Berg 2006. München-Innsbruck-Bozen 2005, S. 96–111.
參考文獻
Bauhn, Per (2003), The Value of Courage, Lund: Nordic Academic Press, ISBN91-89116-62-3.
Jeanmart, G.; Blésin, L. (dir.), Figures du courage politique dans la philosophie moderne et contemporaine, numéro thématique de la revue Dissensus. Revue de philosophie politique de l'Université de Liège (http://popups.ulg.ac.be/dissensus/ (頁面存檔備份,存於互聯網檔案館)), n°2, automne 2009.
Avramenko, Richard. Courage: The Politics of Life and Limb. University of Notre Dame Press. 2011.
Bussey, K. Lying and truthfulness: Children's definitions, standards, and evaluative reactions. Child Development. 1992: 63, 129–37.
Deci, E. L.; Ryan, R. M. The 'what' and 'why' of gal pursuits: Human needs and the self-determination of behavior. Psychological Inquiry. 2000: 4, 227–68.
Eisenberger, R. Learned industriousness. Psychological Review. 1992: 99, 248–67.
Evans, P. D.; White, D. G. Towards an empirical definition of courage. Behaviour Research and Therapy. 1981: 19, 419–24.
Hobbes, Thomas; Tuck, Richard. Leviathan. Cambridge: Cambridge University Press. 1991.
Hume, David. A Treatise On Human Nature : Being An Attempt To Introduce The Experimental Method Of Reasoning Into Moral Subjects. The Floating Press. 2009.
Hume, David. An Enquiry Concerning The Principles Of Morals. Lanham: Start Publishing LLC. 1751.
Nietzsche, Friedrich Wilhelm. Beyond Good and Evil: Prelude to a Philosophy of the Future. New York: Vintage. 1989. ISBN 978-0-521-77078-1.
Rate, Christopher R.; Clarke, Jennifer A.; Sternberg, Lindsay & Robert J. Implicit theories of courage. The Journal of Positive Psychology. 2007, 2:2 (2): 80–98. doi:10.1080/17439760701228755.
Ryan, R. M.; Frederick, C. On energy, personality, and health: Subjective vitality as a dynamic reflection of well-being. Journal of Personality. 1997: 65, 529–65.
Andrei G., Zavaliy; Aristidou, Michael. Courage: A Modern Look at an Ancient Virtue, Journal of Military Ethics. Journal of Military Ethics. 2014, 13:2 (2): 174–189. doi:10.1080/15027570.2014.943037.
Robert M., Van Sant; Stevens, Margaret Talbolt; Jones, M.W. B and O Magazine, Volume 17. B and O Magazine (Baltimore and Ohio Railroad., 1929). 1929, 17: 46.
John, Ruskin. The Works of John Ruskin ...: The stones of Venice 4th ed. 1886, John Ruskin. The Works of John Ruski (Allen, 1886). 1886, 33: 39–40.
United States., Army; Pacific Division, Division of the Pacific; Washington Greely, Adolphus. Earthquake in California, April 18, 1906. U.S. Government Printing Office, 1906. 1906: 19.
Pacific, Railroads. Pacific Railroads in Congress, 1877 and 1878: Proceedings Compiled from Official Records. 1878: 83.
Congress, United States.; Committee on Finance, Senate. Revenue Act of 1962: Hearings Before the Committee on Finance, United States Senate, Eighty-seventh Congress, Second Session, on H.R. 10650, an Act to Amend the Revenue Act of 1954 to Provide a Credit for Investment in Certain Depreciable Property, to Eliminate Certain Defects and Inequities, and for Other Purposes 1–4. United States: 1319. 1962.