- FondsA1724 - Zebediela Citrus Estate, Records
- SeriesA - Zebediela
- SubseriesAc - Citriculture
- sub-subseriesAcd - Pest Control
- FileAcd1 - Comparative studies of various control techniques
- FileAcd2i-ii - Practical measures undertaken at Zebediela
- FileAcd3 - Thrips control
- FileAcd4 - Entomological problems
- FileAcd5 - DDT usage
- FileAcd6i - Fumigation
- FileAcd6ii - Cyanogas shipments
- FileAcd7 - Maturity spraying
- FileAcd8 - Entomologists' Reports: Letaba - J. M. Conradie