Monografia (1947) Symposium on particle size analysis : February 4, 1947
Monografia (1957) Joint symposium the scaling–up of chemical plant and processes : held at Church House, London, on 28 and 29 May 1957
Monografia (1963) Yorkshire Meeting : catalysis in practice : The Royal Hall, Harrogate 20–21 June, 1963
Periodico (2016) South African journal of chemical engineering