found: World War One, 2012:t.p. (Rupert Colley)
found: The lost daughter, 2020:title page (R.P.G. Colley) unnumbered page 375 (Novels by Rupert Colley)
found: Rupert Colley website, 23 October 2020:about page (writer of historical fiction and short factual history; born on Christmas Day; former librarian, then started History in an Hour series and sold it to HarperCollins; lives in London)
found: HarperCollins website, 23 October 2020:authors, Rupert Colley page (librarian in Enfield for 22 years until September 2011)