1. Atlas of Finite Groups;Conway,1985
2. The biomonster, the group Y555, and the projective plane of order 3;Conway,1988
3. J. H. Conway and A. D. Pritchard, Hyperbolic relations for the bimonster and 3Fi24, in [8, pp. 24–45].
4. Relations in M666;Conway,1998
5. Reflection Groups and Coxeter Groups;Humphreys,1990