(en) Robin D. Gill, Cherry Blossom Epiphany : The Poetry and Philosophy of a Flowering Tree, Paraverse Press, , 740 p. (ISBN978-0-9742618-6-7, lire en ligne), p. 634.
(en) Laura Nenzi, Excursions in Identity : Travel and the Intersection of Place, Gender, and Status in Edo Japan, University of Hawaii Press, , 260 p. (ISBN978-0-8248-3117-2, lire en ligne), p. 37.