Ashby S. F.
- Ashby S. F. 1914 - Report of the microbiologist for the year 1913-14. Annual Report on the Department of Agriculture, Jamaica. Kingston 1914: 26-28.
- Ashby S. F. 1925 - Fungous control of froghopper. Minutes and Proceedings of the Froghopper Investigation Committee. Trinidad and Tobago. Port-of-Spain 1: 13-14.