Region
United States
236
Massachusetts
58
North Carolina
50
Cambridge
44
Southern States
37
New York (State)
36
New York
29
China
25
Great Britain
24
California
22
France
22
India
20
Durham
19
Japan
19
Europe
17
New York (N.Y.)
17
Germany
16
Durham (N.C.)
15
Soviet Union
15
Virginia
15
England
14
Italy
12
Pennsylvania
12
Africa
11
Florida
11
South Carolina
10
Cambridge (Mass.)
9
Chicago (Ill.)
9
Harvard Yard (Cambridge, Mass.)
9
Mexico
9
Mississippi
9
New England
9
Philippines
9
États-Unis
8
Maine
8
Paris
8
Alabama
7
Boston
7
Kentucky
7
New Hampshire
7
Russia
7
Asia
6
Connecticut
6
Haiti
6
Middle East
6
Paris (France)
6
Philadelphia (Pa.)
6
Shanghai (China)
6
Texas
6
West (U.S.)
6
more ...