TY  - GEN
AU  - Walker , Samuel
TI  - The police in america: an introduction
SN  - 0070678693
U1  - 363.20973 
PY  - 1992///
CY  - New York
PB  - Mcgraw-Hill
KW  - POLICE SERVICES-UNITED STATES
KW  - SOCIAL SERVICES
KW  - POLICE ADMINISTRATION-U.S
ER  -