Home › Authors › James Galahad Othman Craig 👤 James Galahad Othman Craig 1 book Books by James Galahad Othman Craig Comparative study of the toxic Comparative study of the toxicity of malathion and malathion plus piperonyl butoxide by topical application on the German cockroach, Blattella germanica (L.), and the Madera cockroach, Leucopheae maderae (F.) 1956