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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Crawford, A.R. | 1936 | Fulmars on North Antrim cliffs | Journal | Ir. Nat. J. | Details... |
| Crawford, A.R. | 1936 | White wagtails in North Antrim | Journal | Ir. Nat. J. | Details... |
| Crawford, A.R. | 1936 | Wood-warbler and jay in Co. Down | Journal | Ir. Nat. J. | Details... |
| Crawford, A.R. | 1938 | Breeding of fulmar petrel near Giant's Causeway, Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1927 | Oak beauty moth in County Down | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1928 | Small eggar moth in County Fermanagh | 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. | 1932 | Ptinus tectus Boiel 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 | Co. Antrim Coleoptera | 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. | 1934 | Silver-washed fritillary at Belfast | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1936 | Peacock butterflies hibernating in Belfast | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1937 | Preliminary list of the aquatic Coleoptera of Co. Tyrone | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1938 | Co. Tyrone and other aquatic Coleoptera records | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1938 | Silver-striped hawk moth in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1939 | Hydroporus dorsalis F. and Hydrochus brevis Herbst. in Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1939 | Death's head hawk-moth in Co. Down | Journal | Ir. Nat. J. | Details... |
3701 references found.