தலைப்பு: Social conditions
- Kepimpinan Melayu : satu analisa
- Komuniti nelayan di Pulau Pangkor : beberapa aspek ekonomi dan sosial /
- Perak : the tin capital
- Social relations of dependence in a Malay State : nineteenth century Perak /
- A Malay peasant village in upper Perak a study on integration and transformations (Kampung Ulu Kenderong) /
- Annual report on the social and economic progress of the people of Perak