- Front End for the Mathematics ArXiv at Cornell Univ.
- CiteSeer
^{x}Digital Library - MathSciNet
- European Mathematical Society, Zentralblatt Math

- Purdue University Fort Wayne - formerly
**IPFW** - University of Chicago.
- My personal list of Individual Home Pages
- T. Jarvis, Algebraic Geometry, Brigham Young University.
- A. Nicas, Geometry & Topology, McMaster University.
- Combined Membership List
- Community of Science (my record)
- History of Mathematics, University of St Andrews.
- Science:Mathematics: