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Henrik Ibsen (1912). “- Hedda Gabler. The Master Builder. From Ibsen's Workshop. v.2- Brand. Peer Gynt. v.3- Emperor & Galilean. A Doll's House. Ghosts. v.4- Little Eyolf. John Gabriel Borkman. When We Dead Awaken. The Wild Duck. v.5- Lady Inger of Ostrat. The feast of Solhoug. Love's Comedy. The Vikings at Helgeland. The Pretenders. v.6- The League of Youth. Pillars of Society. Rosenersholm. The Lady from the Sea”
Charlotte Perkins Gilman, Gary Scharnhorst (2012). “Charlotte Perkins Gilman's In this Our World and Uncollected Poems”, p.7, Syracuse University Press
Sir William Blackstone, Joseph Chitty, Edward Christian, John Eykyn Hovenden, Thomas Lee (1861). “Commentaries on the laws of England: in four books, with an analysis of the work”
"Ancilla to the Pre-Socratic Philosophers: A Complete Translation of the Fragments in Diels Fragmente Der Vorsokratiker", translated by Kathleen Freeman, Harvard University Press, (p. 166), 1948.