Region
Africa
2
Africa, West
2
Alabama
4
Albemarle County
1
America
2
Angola (La.)
1
Antigua and Barbuda
1
Argentina
1
Arkansas
4
Ascension Parish
1
Ascension Parish (La.)
1
Atlantic Ocean Region
3
Australia
1
Ayr Mount (N.C.)
1
Bahia (Brazil : State)
3
Bahia (State)
3
Barbados
4
Belle Meade Plantation
4
Belle Meade Plantation (Tenn.)
4
Bengal
2
Betty's Hope (Antigua and Barbuda)
1
Black Belt (Ala. and Miss.)
1
Bolivia
4
Brazil
7
Brazos River Valley
1
Brazos River Valley (Tex.)
1
Cameroon
1
Caribbean Area
4
Caroline du Sud
1
Cauca River Valley
3
Cauca Valley
1
Chatham County
1
Chatham County (N.C.)
1
Chelsea
2
Chelsea (Mass.)
2
Chesapeake Bay Region (Md. and Va.)
5
Colombia
5
Colonial period, ca. 1600-1775
1
Confederate States of America
1
Cuba
6
Darjeeling
2
Developing countries
1
England
7
Estados Unidos
2
Fairvue Plantation (Tenn.)
1
Florida
8
Flowerdew Hundred Plantation Site (Va.)
1
Frederick County
1
Georgia
21
Ghana
2
more ...