1. [1] Akbulut, Selman; McCarthy, John D. Casson’s invariant for oriented homology 3-spheres. An exposition, Mathematical Notes, Volume 36, Princeton University Press, 1990, xviii+182 pages
2. [2] Ben Abdelghani, Leila Espace des représentations du groupe d’un nœud classique dans un groupe de Lie, Ann. Inst. Fourier, Volume 50 (2000) no. 4, pp. 1297-1321
3. [3] Birman, Joan S. Braids, links, and mapping class groups, Annals of Mathematics Studies, Volume 82, Princeton University Press; University of Tokyo Press, 1974, ix+228 pages
4. [4] Boden, Hans U.; Harper, Eric The SU(N) Casson-Lin invariants for links, Pac. J. Math., Volume 285 (2016) no. 2, pp. 257-282
5. [5] Boden, Hans U.; Herald, Christopher M. The SU(2) Casson-Lin invariant of the Hopf link, Pac. J. Math., Volume 285 (2016) no. 2, pp. 283-288