1. Mappings and spaces;Arhangel'skii;Russian Math Surveys,1966
2. Ordinal invariants for topological spaces;Arhangel'skii;Mich. Math. J.,1968
3. A symmetrizable space that is not perfect;Bonnett;Proc. Amer. Math. Soc.,1972
4. Subparacompact spaces;Burke;Proc. Wash. State Univ. Conf. on Gen. Top.,1970
5. S.W. Davis, On Fr-spaces, to appear.