1. On a problem of B. Jónsson;Erdős, P.;Bull. Acad. Polon. Sci. S\'{e}r. Sci. Math. Astronom. Phys.,1966
2. Unsolved problems in set theory;Erdős, P.,1971
3. Consistency results about ordinal definability;McAloon, Kenneth;Ann. Math. Logic,1970
4. Real-valued measurable cardinals;Solovay, Robert M.,1971
5. Strongly compact cardinals and the GCH;Solovay, Robert M.,1974