Columbia subject headings:
Harvard subject headings:
Freight cars--Switzerland--Bellinzona--Maintenance and repair.
Locomotives--Switzerland--Bellinzona--Maintenance and repair.
Railroads--Switzerland--Bellinzona--History.
Schweizerische Bundesbahnen. Industriewerk Bellinzona--History.
Princeton subject headings:
Gotthardbahn--History.
Railroads--Switzerland--Ticino--History.
Schweizerische Bundesbahnen.