1. 1. Akbulut S. and McCarthy J. , Notes on Casson's Invariant (Princeton Lecture Notes).
2. 7. Lin X.-S. , Representations of knot groups and twisted Alexander polynomials, preprint.
3. 3. Frohman C. , Unitary representations of knot groups, Topology, to appear.
4. 4. Frohman C. and Klassen E. , Deforming representations of knot groups into SU(2), preprint.
5. 5. Frohman C. and Long D. D. , Generalized Casson's invariants, in preparation.