Subject Region
United States
64
Great Britain
38
Germany
18
Europe
16
England
11
Greece
9
Russia
9
Rome
8
Southern States
8
Soviet Union
8
China
7
France
7
Japan
6
Europe, Eastern
5
Italy
5
New England
5
Ukraine
5
Western countries
5
Athens (Greece)
4
Middle East
4
Poland
4
Spain
4
Africa
3
Athens
3
Confederate States of America
3
English-speaking countries
3
Odesa
3
America
2
Byzantine Empire
2
Caribbean Area
2
Damascus
2
Foreign countries
2
India
2
Ireland
2
Latin America
2
Scotland
2
Syria
2
Tropics
2
West Indies
2
Alps, Eastern
1
Austria
1
Berlin
1
Berlin (Germany)
1
Cambridge
1
Cambridge (England)
1
Canary Islands
1
Colombia
1
Egypt
1
Eritrea
1
Ethiopia
1
more ...