| Type | Article |
| Authors(s) | Freeman, P. |
| Year | 1939 |
| Title | A contribution to the study of the genus Calidea Laporte (Hemipt Heteropt., Pentatomidae) |
| Volume | 88 |
| Page(s) | 139-159 |
| Published in/Publisher | Transactions of the Royal Entomological Society of London |
| Type | Article |
| Authors(s) | Freeman, P. |
| Year | 1939 |
| Title | A contribution to the study of the genus Calidea Laporte (Hemipt Heteropt., Pentatomidae) |
| Volume | 88 |
| Page(s) | 139-159 |
| Published in/Publisher | Transactions of the Royal Entomological Society of London |