E. S. Willbourn

• A general account of the geology of the Malay Peninsula and the surrounding countries
• Notes on the occurrences of lode tin-ore in the Kinta Valley
• The geology of the scheelite mine, Kramat Puali tin limited, Kinta, Federated Malay States
• The occurrence in situ of corundum-bearing rocks in British Malaya
• The relationship of geology and civil engineering in Malaya