http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31476703flatcars http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31476703 freight cars by form BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31476703 well cars NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31476703 depressed center flatcars NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31476703 piggyback cars NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31476703 flatcar UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31476703 platform cars UF