@book {2441,
	title = {The Anthropometry of the American Negro},
	series = {Columbia university contributions to anthropology},
	number = {vol. XI},
	year = {1930},
	pages = {283},
	publisher = {Columbia university press},
	organization = {Columbia university press},
	address = {New York},
	author = {Melville J Herskovits}
}
@book {2445,
	title = {The American Negro; a Study in Racial Crossing},
	year = {1928},
	pages = {92},
	publisher = {A.A. Knopf},
	organization = {A.A. Knopf},
	address = {New York},
	author = {Melville J Herskovits}
}
