1. J. Prip-Møller, Chinese Buddhist Monasteries. Their Plan and its Function as a Setting for Buddhist Monastic Life. Copenhagen 1937, G. E. C. Gads Forlag. (16), 396pp., 366pls. & ills., 1pl. in col., 4 fold plans. fo.
2. Professor Richard Hadl (1876 - 1944) was the manager of Drugulin Verlag.
