Benson, Eugene (Personal Name)
His Encounter ... 1973.
The Oxford companion to Canadian theatre, 1989: t.p. (Eugene Benson) Can CIP (Benson, Eugene, 1928- )
Earnest, the importance of being. 2008 : (a comic operetta based on the play by Oscar Wilde; music, Victor Davies; libretto, Eugene Benson)
Wikipedia, 16 February 2018 (Eugene Bens; Eugene Benson (born 1928) is a professor of English and a prolific writer, novelist, playwright and librettist; born in Northern Ireland; Ph. D. from University of Toronto; retired from University of Guelph; list of librettos includes Earnest, the importance of being)