found: The ICSA guide to Companies House, c2001:t.p. (Roger Mason, FCCA, FCIS, ACIB)
found: BLNAL, July 1, 2002(hdg.: Mason, Roger, 1944-; source: AL: b. Mar. 24, Roger Malcolm)
found: Speaking on special occasions, 2001:t.p. (Roger Mason) back cover (chartered certified accountant & chartered secretary)
found: London to Birmingham by rail, 2013:t.p. (Roger Mason)
found: Amazon.co.uk website, 17 September 2013:London to Birmingham by rail (Roger is an accountant and chartered secretary; he now writes and presents seminars for directors and company secretaries, writes books and undertakes consultancy work, who lives in Leighton Buzzard; has held senior positions in Toastmasters International)