Patrick, Andrew P. (2017). "Birth of the Bluegrass: Ecological Transformations in Central Kentucky to 1810". The Register of the Kentucky Historical Society. 115 (2): 155–182. doi:10.1353/khs.2017.0049. S2CID133557743.
Patrick, Andrew P. (2017). "Birth of the Bluegrass: Ecological Transformations in Central Kentucky to 1810". The Register of the Kentucky Historical Society. 115 (2): 155–182. doi:10.1353/khs.2017.0049. S2CID133557743.