Roberts, George S. Historic Towns of the Connecticut River Valley. Schenectady, NY: Robson & Adee Publishers, 1906.
In this book, one can find a description of the histories of mostly every major town in the Connecticut River Valley. Roberts specifically provides the history of Farmington and Bloomfield, which used to be called Wintonbury, and included parts of Simsbury. The author mentions an Indian Deed of 1660 that describes the land as wilderness.