"Yogaku Koyo" (Principles of Early Education) is the 'shushin' (moral education) book compiled by Nagazane Motoda, lecturer in the Imperial Household, under the command of Meiji Emperor and distributed by the Department of the Imperial Household on December 2, in 1882.
『幼学綱要』（ようがくこうよう）とは、明治天皇の勅令を受けた侍講元田永孚によって編纂され、1882年12月2日に宮内省より頒布された勅撰修身書。