Public domain
Yangzi's Fayan, 2 Volumes; with Laozi's Examination of Variations, 1 Volume
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line楊子法言2卷附老子考異1卷. 朝鮮木活字印. 漢楊雄撰. National Diet Library, Japan. Public domain.