Columbia subject headings:
Mechanical musical instruments--Switzerland--Catalogs and collections.
Musikautomaten Museum Seewen--Catalogs.
Harvard subject headings:
Mechanical musical instruments--Catalogs and collections--Switzerland.
Mechanical musical instruments--Switzerland--Catalogs and collections.
Musikautomaten Museum Seewen--Catalogs.
Princeton subject headings:
Catalogs.
Mechanical musical instruments--Switzerland--Catalogs and collections.
Musikautomaten Museum Seewen--Catalogs.