http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981lead glass http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 glass by composition or origin BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 nonlead glass RT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 crystal NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 flint glass NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 glass, lead UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 glass, lead silicate UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 glass, lead-alkali UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 glass-of-lead UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 lead silicate glass UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 lead-alkali glass UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31374981 silicate glass, lead UF