1. Bird, K. (2003, November 11). The political representation of women and ethnic minorities in established democracies: A framework for comparative research. Working Paper presented for the Academy of Migration Studies in Denmark (AMID), Aalborg University, Denmark.
2. Bobo, L., & Gilliam, F. D. (1990). Race, sociopolitical participation, and black empowerment. American Political Science Review, 84, 377–393.
3. Bratton, K. A. (2005). Critical mass theory revisited: The behavior and success of token women in state legislatures. Politics and Gender, 1(1), 97–125.
4. Carroll, S. J. (Ed.). (2001). The Impact of women in public office. Bloomington and Indiana: Indiana University Press.
5. Celis, K. (2009). Substantive representation of women (and improving it). What is and should it be about? Comparative European Politics, 6(4), 95–113.