Nicol, J.A.C. (1981)
Corneal Injuries in the Atlantic Stingray Dasyatis sabina (Lesueur). Contributions in Marine Science, 24, 1–8

Nicol, J.A.C. (1978)
Studies on the Eye of the Stingaree Dasyatis sabina, with Notes on Other Selachians. I. Eye dimensions, cornea, pupil and lens. Contributions in Marine Science, 21, 89–102

Maddock, R.G. & Nicol, J.A.C. (1978)
Studies on the eyes of Hydrolagus (Pisces: Chimaeridae). Contributions in Marine Science, 21, 77–87

Denton, E.J. & Nicol, J.A.C. (1964)
The choroidal tapeta of some cartilaginous fishes. Journal of the Marine Biological Association of the United Kingdom, 44(1), 219–258
DOI: 10.1017/S0025315400024760

Nicol, J.A.C. (1950)
Autonomic Nervous System of the Ratfish. Nature, 165(4204), 854–855
DOI: 10.1038/165854b0