Douglass, W. (1749). A summary, historical and political, of the first planting, progressive improvements, and present state of the British settlements in North America. Boston, New-England: Printed and Sold by Rogers and Fowle in Queen-Street.

Douglass, William. A Summary, Historical and Political, of the First Planting, Progressive Improvements, and Present State of the British Settlements in North America. Boston, New-England: Printed and Sold by Rogers and Fowle in Queen-Street, 1749.

Douglass, William. A Summary, Historical and Political, of the First Planting, Progressive Improvements, and Present State of the British Settlements in North America. Boston, New-England: Printed and Sold by Rogers and Fowle in Queen-Street, 1749.