* [https://archive.org/details/2577024R.nlm.nih.gov Observations on the climate in different parts of America : compared with the climate in corresponding parts of the other continent : to which are added, remarks on the different complexions of the human race ; with some account of the aborigines of America : being an introductory discourse to the History of North-Carolina ], 1811 | * [https://archive.org/details/2577024R.nlm.nih.gov Observations on the climate in different parts of America : compared with the climate in corresponding parts of the other continent : to which are added, remarks on the different complexions of the human race ; with some account of the aborigines of America : being an introductory discourse to the History of North-Carolina ], 1811 |