1. Lecture Notes in Mathematics;G. D. James,1978
2. A. S. Kondrat'ev, "Irreducible subgroups of GL(7, 2)," Mat. Zametki,37, No. 3, 317–321 (1985).
3. A. S. Kondrat'ev, "Irreducible subgroups of GLB(2)," Proc. 18th All-Union Algebra Conference, Part 1, Kishinev (1985), p. 271.
4. The Kourovka Notebook, 8th edition, Novosibirsk (1982).
5. R. Steinberg, Lectures on Chevalley Groups, Yale Univ. (1967).