Williams, Chris A. (Ed.) <br/><br/>
Police and policing in the twentieth century 
edited by Chris A. Williams. 
 - England :  Ashgate pub.,  2011. 
 - 511 p. 
 - (The History of Policing) .
<br/><br/> Table of Contents:<br/>Part 1. How Police were Organised<br/>Part 2. How Technology Changed Policing<br/>Part 3. What Police Did<br/>Part 4. Who Police were<br/>Part 5. Crises of Policing<br/>Index 
<br/><br/><label>ISBN: </label>9780754629542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Police Services.<br/>Police -- Great Britain -- History.
<br/><br/><label>Dewey Class. No.: </label>363.20941  / WIL/POL