1. Transfinite Zahlen;Bachmann,1967
2. The existence of an everywhere dense independent set;Bagemihl;Michigan Math. J.,1973
3. Improvement of a partition theorem of Erdös and Rado;Baumgartner;J. Combinatorial Theory Ser. A,1974
4. A proof (involving Martin's axiom) of a partition relation;Baumgartner;Fund. Math.,1973
5. On a theorem of Silver;Baumgartner;Discrete Math.,1976