1. Changing cofinality of ℵ₂;Bukovský, Lev,1976
2. Minimal collapsing extensions of models of 𝑍𝐹𝐶;Bukovský, Lev;Ann. Pure Appl. Logic,1990
3. Shelah’s 𝑝𝑐𝑓 theory and its applications;Burke, Maxim R.;Ann. Pure Appl. Logic,1990
4. Squares, scales and stationary reflection;Cummings, James;J. Math. Log.,2001
5. James Cummings, Matthew Foreman, and Menachem Magidor. Canonical structure in the universe of set theory, parts I and II. To Appear in J. Pure Appl. Logic.