TY  - BOOK
AU  - Gates,R.Ruggles
TI  - Pedigrees of Negro families
AV  - QH431 .G36
U1  - 575.12 
PY  - 1949///
CY  - Philadelphia
PB  - Blakiston Co.
KW  - Heredity, Human
KW  - Local
KW  - Black race
KW  - Blacks
ER  -