琉球楽典 工工四 下巻・拾遺 / Ryukyuan music book kunkunshī vol.2 and supplement

This is a letterpress printed score book edited by Ōshiro Hikogorō and published in 1925. It contains a number of scores of Ryukyuan classical music. It originally consisted of three volumes, but this book is an edited version consisting of two volumes: the first containing Jō (the first volume of the original text), and the second containing Ge and Shūi (the second volume and the supplemental volume of the original text).