Region
18th century
1
1917-1936
1
ASIA
2
Adams County
1
Adams County (Pa.)
1
Addis Ababa
1
Addis Ababa (Ethiopia)
1
Addis-Abeba (Éthiopie)
1
Afghanistan
4
Africa
36
Africa, North
5
Africa, Northeast
1
Africa, Portuguese-speaking
3
Africa, Southern
2
Africa, Sub-Saharan
3
Afrique du Sud
1
Alabama
2
Alamance County
1
Alamance County (N.C.)
1
Alamo (San Antonio, Tex.)
18
Albany
5
Albany (N.Y.)
2
Albemarle County
1
Algeria
75
Algiers (Algeria)
1
Allegheny Mountains
1
Allegheny River Valley (Pa. and N.Y.)
2
Alta Verapaz
1
Alta Verapaz (Guatemala)
1
America
400
Andes Region
2
Angola
18
Annapolis (Md.)
1
Anyuan (Jiangxi Sheng : West)
1
Anyuan (Jiangxi Sheng, China : West)
1
Appalachian Region
2
Arab countries
36
Argentina
3
Arkhangelʹskai︠a︡ gubernii︠a︡ (R.S.F.S.R.)
1
Arlington
1
Arlington (Mass.)
1
Armenia
3
Asia
10
Asia, Central
4
Asturias (Spain)
2
Atlantic Ocean
1
Atlantic Ocean Region
12
Atlantisch gebied
1
Aubagne
2
Aubagne (France)
2
more ...