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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Crawford, W.M. | 1929 | Small eggar moth in County Fermanagh | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1930 | Addition to phenological report | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1930 | The meadow brown butterfly, Epinephele ianira L., in Ireland | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1930 | Convolvulus hawk moths in Belfast | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1930 | Death's-head moth from Portrush | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1930 | Small copper butterfly | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1931 | Striped hawk-moth at Belfast | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1932 | Death's head hawk moth at Belfast | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1933 | The Camberwell beauty, Vanessa antiopa L., in Northern Ireland - corrections | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1933 | Records of immigrant insects | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1933 | Painted lady and red admiral at Belfast | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1933 | Painted lady and red admiral in Cos. Antrim and Donegal | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1933 | Frequency of convolvulus hawk moth and clouded yellow butterfly | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1933 | Milkweed butterfly, Danaus plexippus L., in Co. Dublin | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1934 | Silver-washed fritillary at Belfast | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1934 | Early immigrant butterfly | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1934 | Peacock and other butterflies | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1934 | Records of immigrant insects, 1934 | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1935 | Early immigrant insects | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1935 | Hibernation of peacock butterflies | Journal | Ir. Nat. J. | Details... |
1515 references found.