Mackintosh, Barry. (1989) The United States Park Policea history Washington, D.C. : History Division, National Park Service, Dept. of the Interior,MLA Citation
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The United States Park Police [electronic resource] : a history /
by Barry Mackintosh.
|Main Author:||Mackintosh, Barry.|
|Published:||Washington, D.C. : History Division, National Park Service, Dept. of the Interior, 1989.|
|Topics:||United States Park Police - History.|