1. The multiplicators of certain simple groups;Alperin,1966
2. H. Bender, Doubly transitive groups with no involution fixing two points, to appear.
3. H. Bender, Finite groups having a strongly embedded subgroup, to appear.
4. On groups with Abelian Sylow 2-subgroup;Bender;Math. Zeit.,1970
5. Central elements in core-free groups;Glauberman;J. Algebra,1966