Start with high-confidence japanese poetry books, then narrow by subgenre or adjacent topics.
Theory of Literature and Other Critical Writings
Sōseki Natsume, Michael Bourdaghs
Literature of the Lost Home
Hideo Kobayashi, Paul Anderer
Imagining Harmony
Peter Flueckiger
Tales of Tears and Laughter
Virginia Skord
Essays on Miyazawa Kenji and Endo Shusaku: Religious Experiences in Japan’s Literature
Kazumitsu Ito
The Siren’s Lament
Jun'Ichiro Tanizaki, Bryan Karetnyk