1. Best, H. and Cotta, M. (eds.) (2000) Parliamentary Representatives in Europe, 1848–2000: Legislative Recruitment and Careers in Eleven European Countries, Oxford: Oxford University Press.
2. Bille, L. (2001) ‘Democratizing a democratic procedure’, Party Politics 7(3): 362–380.
3. Bowler, S., Farrell, D. and Katz, R.S. (1999) ‘Party Cohesion, Party Discipline, and Parliaments’, in S. Bowler, D. Farrell and R.S. Katz (eds.) Party Discipline and Parliamentary Government, Columbus, OH: Ohio State University Press, pp. 3–22.
4. Carty, K.R. (2004) ‘Parties as Franchise systems’, Party Politics 10(1): 5–24.
5. Czudnowski, M. (1975) ‘Political Recruitment’, in F.I. Greenstein and N.W. Polsby (eds.) Handbook of Political Science, Reading, MA: Addison-Wesley, pp. 155–242.