Weininger 1906, pp. 303–309. Weininger, Otto (1906). Sex and Character. [Authorised translation from the Sixth German edition]. New York & Chicago: A. L. Burt.
Weininger, Otto (2007) [London: William Heinemann; New York: G. P. Putman's Sons 1906]. Sex and Character(PDF). [Authorised translation from the Sixth German edition]. Charlestown, Massachusetts: Acme Bookbinding. This book is a preservation facsimile.
Van Hulle 2018. Van Hulle, Dirk (2018). "Authors' Libraries and the Extended Mind: The Case of Joyce's Books". In Belluc, Sylvain; Bénéjam, Valérie (eds.). Cognitive Joyce. Cham: Springer International Publishing. pp. 65–82. doi:10.1007/978-3-319-71994-8_4. ISBN978-3-319-71993-1.
Weininger 1906, pp. 303–309. Weininger, Otto (1906). Sex and Character. [Authorised translation from the Sixth German edition]. New York & Chicago: A. L. Burt.
Weininger, Otto (2007) [London: William Heinemann; New York: G. P. Putman's Sons 1906]. Sex and Character(PDF). [Authorised translation from the Sixth German edition]. Charlestown, Massachusetts: Acme Bookbinding. This book is a preservation facsimile.
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