Joel A. Tarr

Joel A. Tarr (born 1934) is an American historian currently the Richard S. Caliguiri University Professor of History and Policy, History at Carnegie Mellon University. His research includes environmental and urban development and systems and their effects.[1][2]

References

  1. ↑ "Joel A. Tarr". cmu.edu. Retrieved May 1, 2017.
  2. ↑ "Joel A. Tarr". cmu.edu. Retrieved May 1, 2017.



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