In ancient times, the book was alternately titled On Justice (not to be confused with the spurious dialogue of the same name). Lorenz, Hendrik. Ancient Theories of Soul. Stanford Encyclopedia of Philosophy. 2009-04-22 [2013-12-10]. （原始内容存档于2019-03-23）.
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Brickhouse, Thomas and Smith, Nicholas D. Plato (c. 427–347 BC) （页面存档备份，存于互联网档案馆）, The Internet Encyclopedia of Philosophy, University of Tennessee, cf. Dating Plato's Dialogues.
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Brickhouse, Thomas and Smith, Nicholas D. Plato (c. 427–347 BC) （页面存档备份，存于互联网档案馆）, The Internet Encyclopedia of Philosophy, University of Tennessee, cf. Dating Plato's Dialogues.
In ancient times, the book was alternately titled On Justice (not to be confused with the spurious dialogue of the same name). Lorenz, Hendrik. Ancient Theories of Soul. Stanford Encyclopedia of Philosophy. 2009-04-22 [2013-12-10]. （原始内容存档于2019-03-23）.
