Region
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Philadelphia
13
Poland
1
Porto Rico
1
Princeton
1
Puerto Rico
1
Rhode Island
1
Rome
1
Russia (Federation)
2
Salem
1
San Juan
1
San Juan (P.R.)
1
Saskatchewan
1
South Africa
3
Southwest, New
1
Soviet Union
4
Spain
2
Springfield
1
Study and teaching (Elementary)
1
Sweden
1
U.S.A.
1
United States
273
West Indies
1
Wilmington
1
Worcester
13
États-Unis
2