English: R,C,CHING, A review of the Chinese and Sikkim-Himalayan Dryopteris with refernce to some species from neighbouringregions, Bull,Fan Memor,Inst,Biol,6,237-352, March 11,1936
Japanese: 秦仁昌氏, 中国印度及び其の隣邦産ヲシダ属の正誤研究