Region
Massachusetts
4
Pennsylvania
4
Philadelphia
4
Mass
3
Mercer Co
3
New Jersey
3
New York (State)
3
Princeton
3
Philadelphia (Pa.)
2
Poland
2
United States
2
Ann Arbor
1
Boston
1
California
1
Durham
1
Durham (N.C.)
1
Los Angeles County
1
Michigan
1
New Haven (Conn.)
1
New York
1
New York (N.Y.)
1
North Carolina
1
Public librarians
1
San Marino
1
Suffolk Co
1
Washington (D.C.)
1
Washtenaw Co
1
Worcester
1
Worcester Co
1