Region
Armenia
1
Armenia (Republic)
2
Baltic States
2
California
1
Canada
2
Communist countries
1
Czechoslovakia
4
Delaware
1
Europe, Eastern
1
États-Unis
2
Ireland
5
Irlande
1
Lithuania
4
Lituanie
1
Maryland
1
New Jersey
1
Pennsylvania
5
Philadelphia
4
Philadelphia (Pa.)
3
Poland
6
Serbia
2
Slovak Socialist Republic (Czechoslovakia)
1
Slovakia
1
Slovaquie
1
Southwest, New
1
Soviet Union
1
Tchécoslovaquie
1
Ukraine
2
United States
24
Vietnam
2