Ballagh, James Curtis. White Servitude in the Colony of Virginia: A Study of the System of Indentured Labor in the American Colonies. Baltimore, Md.: John Hopkins Press, 1895.
Emmer, P.C. Editor. (1986). "Colonialism and migration: an overview", in Colonialism and Migration; Indentured Labor Before and After Slavery. Dordrecht, Netherlands: Martinus Nijhoff Publishers.
Smith, Abbot Emerson. Colonists in Bondage: White Servitude and Convict Labor in America, 1607- 1776. Gloucester, Mass.: Peter Smith, 1965.
Van Der Zee, John. Bound Over: Indentured Servitude and American Conscience. New York: Simon & Schuster, 1985.
First Person Account
1. Lauson, John. (1969). "The felon's account of his transportation at Virginia in America. In [1st Edition] reprinted and edited J. Stevens Cox from an original copy. St Peter Port, Toucan Press.
2. Medearis, Angela Shelf. Dancing With The Indians. New York, Holiday House. (Account of a slave's escape and adoption into an Indian tribe)
3. Raskin, Joseph. (1978). Tales of Indentured Servants. New York, Lothrop, Lee and Shepard. (8 accounts told from historical sources of indentured servants in colonial America)
Unfortunately UVA's online listings of Runaways in the Gazette is no longer online but I can take a run over there for you and see what they have on campus... after I spend a day in town, as the Charlottesville HS has a rather large listing of indentureds that came over to Virginia, what they brought with them and how they got here... supposedly...
As to selling them in the colony of Virginia from master to master seems to be rather common, especially when masters weren't pleased. And they teach here, that in order to obtain their passages over, they either auctioned their services off to the masters OR the ship's captains who in turn, would then sell their contracts once they landed in Virginia to the folks looking for servants. The question being, what exactly do they mean by the term auctioned their services?
Also you may wish to check out Daniel Defoe, as his niece was an indentured servant in the colonies who ended up marrying her owner's son.
Most of the accounts I have started reading claim that, at least down in Virginia, even the female "Masters" could be down right nasty, servants could bring suites against their masters in court for mistreatment and that if the indentured didn't have a proper agreement on paper, they could be in big trouble once they arrived, as the master's word usually outweighed the servant's....