Unsettled: The Culture of Mobility and the Working Poor in Early Modern England - Patricia Fumerton - Google Books

http://books.google.de/books?id=MRBLwpS426EC&pg=PA177&lpg=PA177&dq=A+Discourse+of+the+Variation+of+the+Compass,+or+Magnetic+Need

Migrants made up a growing class of workers in late sixteenth- and seventeenth- century England. In fact, by 1650, half of England’s rural population consisted of homeless and itinerant laborers. Unsettled is an ambitious attempt to reconstruct the…