Johnston also is an unusually productive author: As of December 2009, he has authored or co-authored more than 50 books and 800 papers, and edited or co-edited a further more than 40 books (if translated and revised editions are counted separately).
约翰斯顿也是一位罕见的多产学者：截止2009年12月，他撰写或合作撰写了多达50本专著和800篇论文，主编或合作编辑了40多本专著（以翻译版和修订版分开计算）。