Brockhaus-1911: Heller [2] · Heller
Eisler-1912: Heller, Theodor · Heller, Theodor
Heiligenlexikon-1858: Johannes Heller (345)
Herder-1854: Heller [3] · Heller [2] · Heller [1]
Meyers-1905: Heller [2] · Pfund Heller · Heller Haufen · Heller [1]
Pagel-1901: Heller, Julius · Heller, Arnold Ludwig
Pataky-1898: Heller, Marie · Heller, Frl. Ottilie · Heller, Frau Professor