1. Upper semi-continuous decompositions of E3;Bing;Ann. of Math,1957
2. A peculiar decomposition of E3, Abstract 452;Bing;Bull. Amer. Math. Soc.,1956
3. Topology;Hocking,1961
4. Concerning upper semi-continuous collections of continua;Moore;Trans. Amer. Math. Soc.,1925
5. Decompositions of E3 into strongly cellular sets;Schurle;Ill. J. of Math,1974