Heilbron ke toropo ya Ngwathe Mmusogae, Mmasepala Setereke tša Fezile Dabi go feta porofense Free State ka moka Afrika Borwa. "Chronological order of town establishment in South Africa based on Floyd (1960:20-26)" (PDF). pp. xlv–lii.  "Main Place Heilbron". Census 2011.