Gene Stratton-Porter (2016). “Gene Stratton-Porter Collection: A Girl of the Limberlost, Freckles, Laddie, The Harvester, A Daughter of the Land, At the Foot of the Rainbow, Her Fatther's Daughter, Michale O'Halloran”, p.806, Xist Publishing
Adam Smith (1817). “The Theory of Moral Sentiments: Or, An Essay Towards an Analysis of the Principles by which Men Naturally Judge Concerning the Conduct and Character, First of Their Neighbours, and Afterwards of Themselves : to which is Added, A Dissertation on the Origin of Languages”, p.379
"In tears, Jennifer Hudson testifies at trial of man accused of killing her relatives" by Ted Rowlands, Katherine Wojtecki, www.cnn.com. April 23, 2012.