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2. Maximal subgroups of the sporadic simple group of Held;Butler;Notices Amer. Math. Soc.,1978
3. The maximal subgroups of Conway's group C3 and McLaughlin's group;Finkelstein;J. Algebra,1973
4. The maximal subgroups of Janko's simple group of order 50 232 960;Finkelstein;J. Algebra,1974
5. Realisierung einiger sporadischer einfacher Gruppen als Galoisgruppen;Hoyden,1984