* [http://etext.lib.virginia.edu/DicHist/dict.html ''Dictionary of the History of Ideas: Studies of Selected Pivotal Ideas'']. Ed. Philip P. Wiener. New York: Charles Scribner's Sons, 1973-74. (Online edition from the [[University of Virginia]] library's Electronic Text Center.) Studies of selected pivotal ideas. This book also appeared in Chinese- and Japanese-language editions.
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* [https://etext.lib.virginia.edu/DicHist/dict.html ''Dictionary of the History of Ideas: Studies of Selected Pivotal Ideas'']. Ed. Philip P. Wiener. New York: Charles Scribner's Sons, 1973-74. (Online edition from the [[University of Virginia]] library's Electronic Text Center.) Studies of selected pivotal ideas. This book also appeared in Chinese- and Japanese-language editions.