1. Anonymous. 1895a. Hoko-to to shinrin ikusei (Penghu island and afforestation). Dainippon Sanrinkai-ho (JFA) 153: 58. (J)
2. Anonymous. 1895b. Hoko-to no shin-saiju (New plantation in Penghu Island). Dainippon Sanrinkai-ho (JFA) 154: 58–59. (J)
3. Anonymous. 1896. Hoko-to no jumoku saibai (Afforestation in Penghu Island). Dainippon Sanrinkai-ho (JFA) 167: 56–57. (J)
4. Anonymous. 1898. Hoko-cho to shokuju (Penghu Prefecture and afforestation). Dainippon Sanrinkai-ho (JFA) 189: 43–44. (J)
5. Anonymous. 1901. Honda-hakase no Hoko-to zorin-dan o kiki etareba hidari ni agubeshi (Introducing Dr. Honda’s discourse that I heard on afforestation in Penghu Island). Dainippon Sanrinkai-ho (JFA) 219: 51–54. (J)