[783] Heldburg, Stadt in S.-Meiningen, (1900) 1040 E., Amtsgericht.
Brockhaus-1911: Heldburg [2]
Herder-1854: Heldburg
Meyers-1905: Heldburg [2] · Heldburg [1]
Pierer-1857: Sachsen-Heldburg · Heldburg