Geographic Subject
United States
411
India
212
Pennsylvania
164
Colorado
127
New York
113
Mexico
103
Idaho
85
Virginia
84
Ohio
82
California
81
Connecticut
76
Arkansas
74
Massachusetts
73
Illinois
72
Wisconsin
68
Iowa
67
Germany
66
Missouri
66
Alabama
63
Brazil
62
South Africa
62
Canada
61
South Dakota
60
Washington
60
Cuba
59
North Carolina
58
Minnesota
53
New York (State)
53
Kansas
48
Argentina
46
Great Britain
45
Oregon
45
Georgia
44
Indiana
44
Kentucky
44
Mississippi
43
Maryland
41
Michigan
41
Nebraska
41
Pakistan
41
Tennessee
41
Australia
40
China
40
Haiti
40
Louisiana
39
Utah
38
Germany (West)
36
Maine
35
New Jersey
35
Florida
34
more ...