Roman Club Volume 3, Chapter 12: Feelings that Sleep On
“Under the Cherry Trees” by Motojirou Kajii, TL: David Boyd
https://www.newwriting.net/2017/01/under-the-cherry-trees/
Roman Club Volume 4, Chapter 17: Full Moon Labyrinth
Usagi Song with Sheet Music and Sample
(English) http://www3.u-toyama.ac.jp/niho/song/usagi/usagi_e.html
(Japanese) http://www3.u-toyama.ac.jp/niho/song/usagi/usagi.html
The Rabbit on the Moon Story
https://www.bokksu.com/blogs/news/japanese-folktale-rabbit-on-the-moon
The Rabbit on the Moon (English Wikipedia)
https://en.wikipedia.org/wiki/Moon_rabbit#Asian_folklore
Tsukimi / Juugoya (English Wikipedia)
https://en.wikipedia.org/wiki/Tsukimi
Usagi Song (Japanese Wikipedia)
https://ja.wikipedia.org/wiki/うさぎ_(童謡)