Region
United States
81
England
19
Massachusetts
15
Italy
14
France
13
China
12
New York (State)
10
Japan
9
Boston
8
American
6
California
6
Europe
6
Great Britain
6
India
6
New York (N.Y.)
6
Boston (Mass.)
5
Cambridge
5
Cambridge (Mass.)
5
Germany
5
Texas
4
Asia
3
Egypt
3
Illinois
3
Ithaca
3
Korea
3
Minnesota
3
New Mexico
3
New York
3
Pennsylvania
3
Rhode Island
3
Russia
3
Soviet Union
3
Switzerland
3
Turkey
3
Utah
3
Washington (D.C.)
3
West (U.S.)
3
Wyoming
3
Alabama
2
Alaska
2
Argentina
2
Arizona
2
British Columbia
2
Colombie-Britannique
2
Colorado
2
Connecticut
2
Cuba
2
English
2
Florence (Italy)
2
Florida
2
more ...