Existentially Closed Locally Finite Central Extensions: Multipliers and Local Systems. Richard E. Phillips — 1984 Mathematische Zeitschrift
On absolutely simple locally finite groups Richard E. Phillips — 1988 Rendiconti del Seminario Matematico della Università di Padova
Joins of Subnormal Subgroups are Serial. Kenneth K. Hickin; Richard E. Phillips — 1974 Mathematische Zeitschrift
Groups with Restricted Non-Normal Subgroups. Richard E. Phillips; Brunella Bruno — 1981 Mathematische Zeitschrift
On minimal conditions related to Miller-Moreno type groups Brunella Bruno; Richard E. Phillips — 1983 Rendiconti del Seminario Matematico della Università di Padova