1 - Chain conditions in topology |
2 - Combinatorial group theory : a topological approach |
3 - Combinatorial topology. Volume 3 : Homological manifols. The duality theorems. Cohomology groups of compacta. Continuous mappings of Polyhedra |
4 - Consequences of Martin's axiom |
5 - Flächen und ebene diskontinuierliche Gruppen |
6 - Foundations of combinatorial topology |
7 - Geometrical combinatorial topology. Volume 1 |
8 - Graphs, groups and surfaces |
9 - Papers on group theory and topology |