Region
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New York (N.Y.)
1
Nicaragua
1
North Carolina
1
Northern Ireland
1
Pasadena
1
Pasadena (Calif.)
1
Pays baltes
2
Penn
1
Pennsylvania
20
Periodicals
2
Philadelphia
10
Philadelphia (Pa.)
11
Philadelphia Region
1
Poland
14
Pologne
1
Russia
2
Russia (Federation)
2
Serbia
2
Slovakia
9
Slovaquie
3
Soviet Union
4
Spain
2
Tchécoslovaquie
1
Ukraine
7
United States
52
Vietnam
2
Washington Metropolitan Area
1
West Bank
1
Wilmington
1
Wilmington (Del.)
1
Wisconsin
1