Chern classes of group representations over a number field Beno Eckmann, Guido Mislin (1981) Compositio Mathematica
Chern-Klassen von ganzzahligen und rationalen Darstellungen dsikreter Gruppen. Dominique Arlettaz (1984) Mathematische Zeitschrift
Classes de Stiefel-Whitney de Formes quadratiques et de représentations galoisiennes réelles. Bruno Kahn (1984) Inventiones mathematicae
Classification of Soluble Groups of Cohomologie Dimension Two. Dion Gildenhuys (1979) Mathematische Zeitschrift
Clinic obstructions and clinic cohomological groups. Phan, T., Natividade, M. (1999) Portugaliae Mathematica
Cohomological characterisations of saturated formations and homomorphs of finite groups. U. Stammbach, D.W. Barnes, P. Schmid (1978) Commentarii mathematici Helvetici
Cohomological characterization of relative hyperbolicity and combination theorem. M. Gautero, Heusener, M. (2009) Publicacions Matemàtiques
Cohomological dimension and symmetric automorphisms of a free group. Donald J. Collins (1989) Commentarii mathematici Helvetici
Cohomology and special extensions of groups Gerald S. Garfinkel, Yel Chiang Wu (1979) Czechoslovak Mathematical Journal