1. Set theory and the continuum hypothesis;Cohen,1966
2. Rings of continuous functions;Gillman,1960
3. Classifying almost-disjoint families with applications to βN⧹N;Hechler;Israel J. Math.,1971
4. On the compatification of the integers (Preliminary Rept.);Kunen;Notices Amer. Math. Soc.,1970
5. Internal Cohen extensions;Martin;Ann. Math. Logic,1970