Sarah Machajewski 
Interpretación de datos sobre las Trece Colonias (Interpreting Data About the Thirteen Colonies) [PDF ebook] 

How do historians know what they know about the Thirteen Colonies? Readers will learn that and more in this thorough book about interpreting data. They”ll investigate how data was collected during the colonial period, the manner in which it was recorded and preserved, and how historians have used that data to deduce what we understand about life in the colonies. Readers are urged to apply this knowledge to their own analysis of historical data.