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- language : Multiple languages
- location : Basel (Switzerland)
- location : Delft (Netherlands)
- location : Enkhuizen (North Holland, Netherlands)
- location : Franeker (Friesland, Netherlands)
- location : Geneva (Geneva, Switzerland)
- location : Harderwijk (Gelderland, Netherlands)
- location : Heidelberg (Germany)
- location : Leiden (Netherlands)
- location : Strasbourg (Bas-Rhin, France)
- location : The Hague (Netherlands)