- FondsAD1715 - South African Institute of Race Relations (SAIRR), Records
- Series8 - HOUSING
- Subseries8.2 - Hilda Kuper - Housing and Income Surveys in the Witwatersrand
- File8.2.1 - Population, housing, income and personnel stats
- File8.2.2 - "Population by age, sex and marital conditions"
- File8.2.3 - "Standards of Living"
- File8.2.4 - "Sources of income"
- File8.2.5 - "Analysis of Statistics re Overcrowding in Western Native Township"
- File8.2.6 - Income stats