Region
United States
26
Northeastern States
3
Southern States
3
États-Unis
2
USA
2
Asia, Southeastern
1
California
1
Confederate States of America
1
États-Unis (Sud)
1
New York
1
New York (N.Y.)
1
New York (State)
1
Palo Alto
1
Palo Alto (Calif.)
1
Pennsylvania
1
Philadelphia
1
Philadelphia (Pa.)
1
Reston
1
Reston (Va.)
1
Stanford
1
Stanford (Calif.)
1
U.S. ]x History
1
United States, Southern States
1
Virginia
1