1. Proceedings from the First Workshop on Muon Colliders Napa, California, 1992, Nucl. Instr. And Meth. A350 (1994) 24
2. P. Chen, K. MacDonald, Summary of the physics opportunities working group, in: J. Wurtele (Ed.), Proceedings of the 1992 Advanced Accelerator Concepts Workshop, Port Jefferson, NY, AIP Conf. Proc. 279 (1993)
3. Physics potential and development of μ+μ− colliders, in: D. Cline (Ed.), Proceedings of the 2nd Workshop, Sausalito, CA, AIP Conf. Proc. 352 (1995)
4. Beam dynamics and technology issues for μ+μ− colliders, in: J. Gallardo (Ed.), Proceedings of the 9th Advanced ICFA Beam Dynamics Workshop, AIP Conf. Proc. 372 (1996)
5. Physics Potential and Development of μ+μ− Colliders, San Francisco, CA, December 1997, D. Cline (Ed.), AIP Conf. Proc. 441 (1998).