But on the question of whether Birkenhead was in fact of gypsy ancestry, see The Earl of Birkenhead by his son the second Earl of Birkenhead (London, 1960), p. 15.
2.
Pleas of the Crown, vol. 1, p. 671.
3.
Radzinowicz, History of English Criminal Law, vol. 1, pp. 442-3.
