| Type | Article |
| Authors(s) | Sonan, J. |
| Year | 1927 |
| Title | Insect pests of the tea-plant in Formosa. II |
| Volume | 29 |
| Page(s) | 1-132 |
| Published in/Publisher | Report, Department of Agriculture, Government Research Institute of Formosa |
| Type | Article |
| Authors(s) | Sonan, J. |
| Year | 1927 |
| Title | Insect pests of the tea-plant in Formosa. II |
| Volume | 29 |
| Page(s) | 1-132 |
| Published in/Publisher | Report, Department of Agriculture, Government Research Institute of Formosa |