TY  - BOOK
AU  - Walker,Samuel
TI  - The police in America: an introduction 
SN  - 0070678693
AV  - HV 8138 WAL
PY  - 1992///
CY  - New York
PB  - McGraw-Hill
KW  - Police - United States
KW  - Police administration - United States
N1  - Includes index
ER  -