Texas Subcategories This category has the following 7 subcategories, out of 7 total. + Greek male opera singers (3 C) Greek women opera singers (2 C)0–9 19th-century Greek opera singers (1 C) 20th-century Greek opera singers (2 C) 21st-century Greek opera singers (2 C)S Greek operatic sopranos (6 P)T Greek operatic tenors (5 P)