1. Second Degree Cohomology of Groups of Lie Type;Avrunin,1976
2. G. S. Avrunin, 2-cohomology of some unitary groups, in preparation.
3. Cohomology of Degree 1 and 2 of some Chevalley Groups;Bell,1976
4. Homological Algebra;Cartan,1956
5. Cohomology of finite groups of Lie type, I;Cline;Inst. Hautes Études Sci. Publ. Math.,1975