相国寺 Shōkoku-ji
formally identified as Mannen-zan Shōkoku Shōten Zenji (萬年山相國承天禅寺), is a Buddhist temple in northern Kyoto, founded in 1382 by Ashikaga Yoshimitsu.
https://en.wikipedia.org/wiki/Sh%C5%8Dkoku-ji

Gary Snyder
Spring "Sesshin" at Shokoku-ji
Chicago Review, Vol. 12, No. 2 (Summer, 1958), pp. 41-49.
In: Earth House Hold, New York: New Directions, 1969, pp. 44-53.

Dana Fraser
Rinzai Zen Training at Shōkokuji
Wind Bell, Winter 1970, pp. 35-39.