O'Boyle, R.N. & Fowler, G.M. & Hurley, P.C.F. & Showell, M.A. & Stobo, W.T. & Jones, C. (1998)
Update on the status of NAFO SA 3-6 porbeagle shark (Lamna nasus). CSAS Research Document 1998/41

O'Boyle, R.N. & Fowler, G.M. & Hurley, P.C.F. & Showell, M.A. & Stobo, W.T. (1996)
Observations on blue shark (Prionace glauca) in the North Atlantic. DFO Atlantic Fisheries Research Document 96/25

O'Boyle, R.N. & Fowler, G.M. & Hurley, P.C.F. & Showell, M.A. & Stobo, W.T. & Jones, C. (1996)
Observations on porbeagle shark (Lamna nasus) in the north Atlantic. DFO Atlantic Fisheries Research Document 96/24

O'Boyle, R.N. & Fowler, G.M. & Hurley, P.C.F. & Showell, M.A. & Stobo, W.T. & Jones, C. (1996)
Observations on shortfin mako shark (Isurus oxyrinchus) in the north Atlantic. DFO Atlantic Fisheries Research Document 96/26