- New York, NY24
- Paris, France8
- New Haven, CT6
- Philadelphia, PA6
- Boston, MA4
- London, England4
- Italy3
- Sheffield, England3
- Bethlehem, PA2
- Chicago, IL2
- Portland, ME2
- Brooklyn, NY1
- Camden, NJ1
- China1
- Detroit, MI1
- France1
- Göttigen, Germany1
- Hartford, CT1
- Jena, Germany1
- Mehun, France1