Willard, Stephen. General Topology. Addison-Wesley Series in Mathematics. Addison-Wesley Publishing Company, Inc., 1970.
Annotation url: urn:x-pdf:eb874067e68a720ea298d18714fcd41e
Alternate annotations at: https://jonudell.info/h/facet/?user=chrisaldrich&max=100&exactTagSearch=true&expanded=true&url=urn%3Ax-pdf%3Aeb874067e68a720ea298d18714fcd41e