The Musee Archologique (13 bis Boulevard Amiral Courbet), housed in a 17th-century Jesuit college, has an important collection of Roman glass.
They are housed in a 15th century Catholic college. 
mnli hypothesis: They are housed in a 15th century Catholic college.  premise: The Musee Archologique (13 bis Boulevard Amiral Courbet), housed in a 17th-century Jesuit college, has an important collection of Roman glass.