ISBN 0-395-34402-6. ↑ "The London Gazette, number 158–160" (PDF). ↑ Galland 2005, pp. 67–68. ↑ "Jan Dzwonek – Within an Ace of Death". Archived from the original on 11 August 2014. Retrieved 19 November 2013. ↑ Patrick Bishop (2004).