America : United States (Mid-Atlantic)
- Yale University LibraryAmerica : United States (New England)
- America : United States (Mid-Atlantic)
- America : United States (Mid-Atlantic)
- Göttingen Institute of Advanced StudyEurope : Germany
- University of MichiganAmerica : United States (Great Lakes)
- Indiana University BloomingtonAmerica : United States (Great Lakes)
- America : United States (Mid-West / Plains)
- Europe : Sweden
- University of LisbonEurope : Portugal
- America : United States (New England)
- School of Advanced Study, University of LondonEurope : United Kingdom