TY  - BOOK
AU  - Petersen, William
TI  - American social patterns: studies of race relations, popular heroes, voting, union democracy and government bureaucracy 
AV  - HN 57 P4
PY  - 1956///
CY  - Garden City, N.Y.
PB  - Doubleday
KW  - Afroamericanos
KW  - Vivienda
KW  - Votación -
KW  - Estados Unidos
KW  - Sindicatos
KW  - Burocracia
ER  -