Editing Counterexamples in Topology (section)

==Bibliography==
* {{cite book|last1=Steen|first1=Lynn Arthur|author-link1=Lynn Arthur Steen|last2=Seebach|first2=J. Arthur|author-link2=J. Arthur Seebach Jr.|title=[[Counterexamples in topology]]|publisher=Springer New York|publication-place=New York, NY|year=1978|isbn=978-0-387-90312-5|doi=10.1007/978-1-4612-6290-9}} <!--{{sfn|Steen|Seebach|1978|p=}}-->
* {{cite book|last1=Steen|first1=Lynn Arthur|author-link1=Lynn Arthur Steen|last2=Seebach|first2=J. Arthur|author-link2=J. Arthur Seebach Jr.|title=[[Counterexamples in topology]]|publisher=Dover Publications|publication-place=New York|date=1995|orig-date=First published 1978 by Springer-Verlag, New York|isbn=0-486-68735-X|oclc=32311847}} <!--{{sfn|Steen|Seebach|1995|p=}}-->
*Lynn Arthur Steen and J. Arthur Seebach, Jr., ''Counterexamples in Topology''. Springer-Verlag, New York, 1978. Reprinted by Dover Publications, New York, 1995. {{ISBN|0-486-68735-X}} (Dover edition).