By Clapham, A. R.
By Webster, John
By Ernest Baldwin
By Thompson, D'Arcy W., Bonner, John Tyler
By Marshall, P. T.
By Campbell
By Smith, J. Maynard
By Michael Yudkin, Yudkin, Michael
By Cove
By Mitchinson, J. M.
By Austin, Colin Russell, Short, R. V.
By Austin, Colin Russell, Short, Roger Valentine
By Aidley, D. J.
By Schmidt-Nielsen, Knut
By Holdgate, M. W.
By British Museum
By Lincoln, Roger J., Boxshall, Geoffrey A., Clark, Paul F.
By Curds, Colin R.
By Brinkhurst, R. O.
By Gibson, R.
By Blakemore, Colin
By Smith, John
By Yudkin, Michael