Beckwith, Martha Warren, 1871-1959
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Herskovits, Melville J.
The Journal of American Folklore, 1930, Vol.43 (169), p.332-338
Herskovits, Melville J
Journal of American Folklore, 1930, Vol.43, p.332-338
Redfield, Robert
The American journal of sociology, 1930-01, Vol.35 (4), p.673-674