Elliott, Geoffrey. The Mystery of Overend and Gurney: A Financial Scandal in Victorian London. London: Methuen, 2006. xv, 266 p.
ISBN 0413775739; 9780413775733
Abstract: "[…] and the Greek novelist and reckless entrepreneur Stefanos Xenos, whose first-hand observations of events enrich the story […]". See, especially, plate no. 10 and pp. 5, 7-8, 95-103, 186-198.