↑ Bijleveld, Nikolaj; Grittner, Colin; Smith, David E.; Verstegen, Wybren (2019-10-16). "Constitutional conservatism, anti-democratic ideology, and the elective principle in British North America's upper legislative houses, 1848-1867" . Reforming Senates: Upper Legislative Houses in North Atlantic Small Powers 1800–present (1 ed.). London: Routledge. doi : 10.4324/9780429323119 . ISBN978-0-429-32311-9。