1. On two problems of Urysohn;Hewitt, Edwin;Ann. of Math. (2),1946
2. Moore spaces and uniform spaces;Jones, F. Burton;Proc. Amer. Math. Soc.,1958
3. American Mathematical Society Colloquium Publications, Vol. XIII;Moore, R. L.,1962
4. Über die Mächtigkeit der zusammenhängenden Mengen;Urysohn, Paul;Math. Ann.,1925
5. Axioms for Moore spaces and metric spaces;Vickery, C. W.;Bull. Amer. Math. Soc.,1940