Previously published revised, updated and expanded version: Chichester : E. Horwood; New York : Halsted Press, 1988 under title: Topology: a geometric account of general topology, homotopy types and the fundamental groupoid.
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Topology and groupoids by Ronald Brown. ISBN 1419627228. Published by www.groupoids.org in 2006. Publication and catalogue information, links to buy online and reader comments.
