Musō Soseki
Shigematsu's pioneering translation of the two most important Japanese collections of capping phrases or "jakugo" in Japanese - "Zenrin-kushū" 禅林句集 (tr. as "A Zen Forest, Sayings of the Masters") and "Zenrin Segoshū" 禅林世語集 (tr. as "A Zen Harvest, Japanese Folk Zen Sayings") - is acknowledged as the magnum opus of contemporary English-speaking Zen world. In addition, he also translated poetry and sermons of Musō Soseki and Zen haiku by Natsume Sōseki.