Palaeozoic Plants from Central Shansi - Halle, Thore Gustav 1884-1964 (1927)
[Nebent. chines.:] Ho, Lo: Shan-hsi-chung-pu-ku-shêng-tai-chih-wu-hua-shih
[Nebent. chines.:]: Ho, Lo: Shan-hsi-chung-pu-ku-shêng-tai-chih-wu-hua-shih