1. Forcing closed unbounded sets;Abraham;J. Symbolic Logic,1983
2. Ineffability properties of cardinals II;Baumgartner,1977
3. Adding a closed unbounded set;Baumgartner;J. Symbolic Logic,1976
4. Saturation properties of ideals in generic extensions I;Baumgartner;Trans. Amer. Math. Soc.,1982
5. A strengthening of Jensen's □-principles;Beller;J. Symbolic Logic,1980