found: National Theatre of Brent presents Love upon the throne, 1998:t.p. (Patrick Barlow) p. i (plays Desmond Olivier Dingle, artistic director of the National Theatre of Brent) p. v (personal word from the artistic dir. of the Natl. Theater of Brent, signed Desmond Olivier Dingle, author)
notfound: RLIN, Sept. 5, 2000 (hdg.: Dingle, Desmond Olivier; usage: Desmond Olivier Dingle)
found: The 39 steps, abridged, 2022:title page (adapted by Patrick Barlow)
found: Wikipedia, February 15, 2023(Patrick Barlow; Evan George Patrick Barlow (born 18 March 1947 in Leicester) is an English actor, comedian and playwright; his comedic alter ego, Desmond Olivier Dingle, is the founder, artistic director and chief executive of the two-man National Theatre of Brent, which has performed on stage, on television and on radio) - https://en.wikipedia.org/wiki/Patrick_Barlow
