Elementary Topology: A First Course Viro, Ivanov, Netsvetaev, Kharlamov (St. Petersburg University) An invitation to Topology Planar Machines' web site Geometry and Topology Index, MacTutor History of Mathematics archive ODP category The Topological Zoo at The Geometry Center Topology Atlas Topology Course Lecture Notes Aisling McCluskey and Brian McMaster, Topology Atlas Topology Glossary Розділи математики