1. Almost-disjoint sets, the dense-set problem, and partition calculus;Baumgartner;Ann. Math. Logic,1976
2. Iterated perfect-set forcing;Baumgartner;Ann. Math. Logic,1979
3. J. Baumgartner and A. Taylor, Saturation properties of ideals in generic extensions I, to appear.
4. Variations on ◊;Devlin;J. Symbolic Logic,1979
5. Combinatorics on ideals and forcing;Grigorieff;Ann. Math. Logic,1971