- Balsthal, Museum of Local History, Alt-Falkenstein Castle (AF)
- Grenchen Museum of Cultural History (KHM)
- Halten, Wasseramt Museum of Local History (MWH)
- Matzendorf, Ceramics Museum (KMM)
- Matzendorf, Maria Felchin Collection (SFM)
- Olten, Historical Museum (HMO)
- Solothurn Historical Museum Blumenstein (MBS)
- Solothurn, Archaeological Service for the Canton (KASO)