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bbc.co.uk
[1] BBC Radio Nottinghamshire article by Greig Watson, Could Franz Ferdinand Welbeck gun accident have halted WWI?.
Neil Wilson and Mark Baker, Prague: City Guide, Lonely Planet City Guide, 9th ed. Footscray, Victoria / Oakland, California / London: Lonely Planet, 2010, ISBN 978-1-74179-668-1, p. 237.
