TY - GEN
AU - Du Bois, William Edward Burghardt
AU - American Academy of Political and Social Science
TI - The study of the Negro problems
PB - American Academy of Political and Social Science
KW - African Americans Social conditions
KW - Sociology United States
PY - 1898
CY - Philadelphia
UR - http://slubdd.de/katalog?TN_libero_mab2
ER -
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