1. Stuart Ball, “The Politics of Appeasement: the Fall of the Duchess of Atholl and the Kinross and West Perth By-election, December 1938,” Scottish Historical Review, LXIX(187), April, 1990, pp. 49–83.
2. See Chris Cook and John Ramsden (eds), By-Elections in British Politics (London, 1997), p. 5.
3. John Cunningham Sparks, “British By-Elections: What Do They Prove?” American Political Science Review, 34(1), February, 1940, pp. 97–104.
4. Roger Eatwell, “Munich, Public Opinion, and Popular Front,” Journal of Contemporary History, 6(4), 1971, pp. 122–139.
5. Iain McLean, “Oxford and Bridgwater,” in Chris Cook and John Ramsden (eds), By-elections in British Politics (London, 1997), pp. 130–150.