L.J. Wilmoth was the author of two papers published in the Journal of the Chemical, Metallurgical and Mining Society of South Africa: "Experiments on the assay of acid washes resulting from the cyanide 'clean up' by the use of bisulphate" (1909-1910, Vol. 10, pp. 136-) and "Notes on the matte assay" (1910-1911, Vol. 11, pp. 240-).