Here are a few titles that you may find interesting and relevant to early Davenport settlement in America.
"Kingdom Strange" by James Horn - The Brief and Tragic History of the Lost Colony of Roanoke
"The Albion Seed" by David Hackett Fischer - Historic English folk influences on modern American culture
"Society in Colonial North Carolina" by Alan D. Watson
"War of Another Kind" by Wayne K. Durrill - The story of Tyrell County, NC during the American Civil War
"Roanoke Hundred" by Inglis Fletcher - Setting 1585 - The story of the first English settlement of Roanoke Island
"Bennett's Welcome" by Inglish Fletcher - Setting 1651
"Men of Albermarle" by Inglis Fletcher - Setting 1710
Other Books in Inglis Fletcher's Historical "Carolina" Fictional Series - Covers the historical time period of 1585 to 1789
"American Colonies" by Alan Taylor
"The Way We Lived in North Carolina" by Joe Mobley
"The Barbarous Years: The Peopling of British North America" by Bernard Bailyn
"Indentured Servants" entry on the US History Website