1. , [Mu], and [Sp] provide general background to topology and geometry while the other references are specialized to hyperbolic 3-manifolds.
2. C. Adams, M. Hildebrand, and J. Weeks. “Hyperbolic Invariants of Knots and Links,” to appear inTransactions of the A.M.S.
3. C. Adams and W. Sherman. “Minimal Ideal Triangulations of Hyperbolic 3-Manifolds,”” preprint.
4. W. Boothby.An Introduction to Differentiable Manifolds and Riemannian Geometry. Academic Press, 1986.
5. J. Mimkres.Topology: A First Course. Prentice-Hall, 1975.