1. Charles Dickens, American Notes, 1842.
2. Ibid.
3. The Times, 24 August 1859.
4. Mrs H. Coleman Davidson, What Our Daughters Can Do for Themselves: A Handbook of Women’s Employments, Smith, Elder, 1894, pp. 269–70.
5. ‘The Economic and Social Value of Immigrant Women’, Atlantic Monthly, September 1907.