Primary School Songbooks (Japanese)
The Primary School Songbooks (Japanese: 小学唱歌集, Shōgaku Shōka Shū) are a series of songbooks compiled for school education by the Japanese Ministry of Education's Music Investigation Committee (Japanese: 音楽取調掛), which was founded in 1879 by Isawa Shuji. The songbooks were published from 1881 through 1884 in three volumes.
Source: Wikipedia — Primary School Songbooks (Japanese) (CC BY-SA 4.0)