TY  - BOOK
AU  - Herskovits,Melville Jean
TI  - On the negro-white population of New York City: the use of the variability of family strains as an index of heterogeneity or homogeneity (conférence faite au 21è congrès des africanistes, La Haye, 1924)
PY  - 1924///
CY  - S.l.
PB  - S.n.
N1  - Includes bibliographical references and index
ER  -