Subject (Geographic)
- Algiers (Algeria)26
- Athens (Greece)25
- Frankfurt am Main (Germany)24
- Vienna (Austria)19
- Weimar (Thuringia, Germany)18
- Rome (Italy)17
- Budapest (Hungary)17
- Algeria16
- Philadelphia (Pa.)15
- Hamburg (Germany)14
- Austria13
- Dresden (Germany)13
- England13
- Nuremberg (Germany)13
- Florence (Italy)11
- Bussum (Netherlands)11
- South Carolina11
- Tivoli (Italy)10
- Venice (Italy)10
- Poland9