I feel like I've blogged about this before, but here it is again, so I can reference it more easily as part of my research of Boston Common:

The Urbanization of the Eastern Gray Squirrel in the United States
Etienne Benson Journal of American History, Volume 100, Issue 3, December 2013, Pages 691-710, https://doi.org/10.1093/jahist/jat353 Published:
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