1. The Axiom of Choice;Jech,1973
2. Combinatorial Set Theory: with a Gentle Introduction to Forcing;Lorenz,2012
3. Combinatorial Set Theory: with a Gentle Introduction to Forcing;Lorenz,2017
4. A weird relation between two cardinals;Lorenz;Arch. Math. Log.,2018
5. Consequences of arithmetic for set theory;Lorenz;J. Symb. Log.,1994