A Study of Medieval Songs is Yasuharu Ono's research on medieval Japanese song. Covering imayo, rice-field songs, Buddhist songs, recitation, and kouta, it examines the literary qualities and historical development of medieval song traditions.

The study closely reads medieval voices as materials for literary history.

A Study of Early Modern Kanshibun Centered on Ota Nanpo is Ichiro Ikezawa's work of early modern literary scholarship. Centering on the Edo writer Ota Nanpo, it examines kanshibun, comic Chinese-style verse, and networks of literary refinement.

Centered on Ota Nanpo, the study traces the world of Edo-period kanshibun.