- Antiquities--Collection and preservation--Congresses (4)
- Art objects--Collection and preservation--Congresses (3)
- Cultural property, Protection of--Congresses (3)
- Art--Conservation and restoration--Congresses (1)
- Art--Dating--Congresses (1)
- Art--Expertising--Congresses (1)
- Materials--Analysis--Congresses (1)
- 工業基礎学 (1)