1. Fountain, J.B., and V.A.R. Gould,Orders in rings without identity, preprint.
2. Fountain, J.B., and V.A.R. Gould,Straight left orders in rings, preprint.
3. Fountain, J.B., and V.A.R. Gould,Orders in regular rings with minimal one-sided ideals, preprint.
4. Fountain, J.B. and V.A.R. Gould,Orders in semiprime rings with minimal condition for principal right ideals, preprint.
5. Fountain, J.B., and M. Petrich,Completely, O-simple semigroups of quotients, J. Algebra 101 (1986), 365–402.