Wikipedia WWW site, May 9, 2005 (under James Callaghan: Leonard James Callaghan, Baron Callaghan of Cardiff, KG, PC; b. Mar. 27, 1912, Portsmouth, Hampshire; d. Mar. 26, 2005, Ringmer, East Sussex; Labour prime minister of the United Kingdom, 1976-1979; known by his second name, James, shortened to Jim; made a life peer after his retirement from the House of Commons in 1987)
Salmin, A. M. Shestʹ portretov, 2008 p.135 (Dzheĭms Kallagėn)