| Archive Reference / Library Class No. | LS/595.78 |
| Title | Papers on polymorphism in lepidoptera. |
| Date | 1956 |
| Publication Date | 1956 |
| Author | Johnson, J. H. |
| Repository | Derbyshire Record Office |
| Further Information | Reprinted from The Entomologist vol.89, no.1116, May 1956 |
| Term | Butterflies |
| Insects |
| Lepidoptera |