Subject Region
United States
13
Italy
11
Spain
8
Espana
7
California
5
Europe
5
New York
5
New York (State)
5
Rome
5
Great Britain
4
Islamic countries
4
America
3
Colombia
3
France
3
Germany
3
Los Angeles
3
Africa
2
America Latina
2
Byzantine Empire
2
Ireland
2
Latin America
2
Mexico
2
Moche River Valley
2
Moche River Valley (Peru)
2
Paris
2
Peru
2
Russia
2
Abruzzo
1
Aegean Islands (Greece and Turkey)
1
Armenia
1
Australia
1
Belgium
1
British Columbia
1
California, Southern
1
Central America
1
China
1
Commonwealth countries
1
East Asia
1
Europe, Northern
1
Ferrara
1
Germany (East)
1
Germany (West)
1
Great Lakes (North America)
1
Greece
1
India
1
Iran
1
Kassel
1
Little Creek Naval Amphibious Base (Va.)
1
Los Angeles (Calif.)
1
Mediterranean Sea
1
more ...