@book{51443,
	author = {Seminar on Plantation Systems of the New World and Columbia University.},
	title = {Plantation systems of the New World;},
	publisher = {Pan American Union,},
	year = {1959.},
	series = {Social science monographs,},
	address = {Washington,},
	note = {"A joint publication of the Research Institute for the Study of Man and the Pan American Union."}
}