- FondsAD1715 - South African Institute of Race Relations (SAIRR), Records
- Series1 - AGRICULTURE AND RURAL AREAS
- Subseries1.8 - Agriculture: general
- File1.8.1 - Government publications
- File1.8.1.1 - List of Reserved trees with circulating letter, April 1935; Common Transvaal trees, by C.C. Stapleton, Department of Agriculture and Forestry.
- PartList of Reserved trees with circulating letter, April 1935; Common Transvaal trees, by C.C. Stapleton, Department of Agriculture and Forestry
- PartList of Reserved trees with circulating letter, April 1935; Common Transvaal trees, by C.C. Stapleton, Department of Agriculture and Forestry