- collectionZA 0375 - THL Image Collection
- Série organiqueP - P Collection
- 3486 en plus...
- PièceP2450_20 - Humansdorp district, November 1910. Gamtoos River bridge: All the 40 feet girders in position, testing screw piles. (Album of Gamtoos River bridge construction)
- PièceP2450_21 - Humansdorp district, circa 1911. Gamtoos River bridge: (Album of Gamtoos River bridge construction)
- PièceP2450_22 - Humansdorp district, circa 1911. Gamtoos River bridge: Construction of concrete piers. (Album of Gamtoos River bridge construction)
- PièceP2450_23 - Humansdorp district, circa 1911. Gamtoos River bridge: Main girder under construction. (Album of Gamtoos River bridge construction)
- PièceP2450_24 - Humansdorp district, circa 1911. Gamtoos River bridge: Lifting girder onto pier. (Album of Gamtoos River bridge construction)
- PièceP2450_25 - Humansdorp district, circa 1911. Gamtoos River bridge: Construction complete. (Album of Gamtoos River bridge construction)
- PièceP2450_26 - Humansdorp district, circa 1911. Gamtoos River bridge: Bird's eye view of the two bridges. (Album of Gamtoos River bridge construction)
- PièceP2450_27 - Humansdorp district, April 1911. Gamtoos River bridge: Hoisting sections of the 100 feet girder for approach. (Album of Gamtoos River bridge construction)
- PièceP2450_28 - Humansdorp district, circa 1911. Gamtoos River bridge: Construction of concrete piers at southern approach. (Album of Gamtoos River bridge construction)
- 1913 en plus...