00942cam a2200289 4500 62598932 TxAuBib 20090219120000.0 090219s2008||||||||||||||||||||||||eng|u 2006046581 9780073527925 0073527920 (OCoLC)71552420 TxAuBib Walker, Samuel. The Police In America : An Introduction / Samuel Walker. New York : McGraw Hill, 2008. 568 p. Sixth Edition Contents : Foundations--Officers and organizations--Police work--issues in policing--Challenges for a new century. 20090219. Police United States. Police administration United States. Katz, Charles M. Sixth Edition. TXKYP