|
United States Park Police : Davidson, James Dale.
|
1996
|
1
|
|
United States Parole Commission History : Hoffman, Peter B.
|
2003
|
1
|
|
United States Parole Commission Management : Hoffman, Peter B.
|
2003
|
1
|
|
United States Patent Office : Walter, Thomas Ustick,
|
1970
|
1
|
|
United States Patents -- See Patents
--subdivision Patents under disciplines and under types of articles and processes patented, e.g. Automobiles--Patents
|
|
1
|