By Brown, Lloyd A.
By Schwerdtfeger, Hans
By Bryant, Richard H.
By Robin Hanbury-Tenison
By Peter Furtado, Furtado, Peter
By Robert Etienne, Caroline Palmer
By Hanbury-Tenison, Robin
By Lye, Keith
By Adam, Heribert
By Pritchett
By Hershatter, Gail
By Marcus, Harold G
By Andrews, Jonathan
By MacDougall, Doug
By Clark, Lindie
By Bodin, Örjan
By Guinness, Paul
By Sheriff, R. E., Geldart, L. P.
By Cattermole, Peter, Moore, Patrick
By Telford, W. M., Geldart, Lloyd Philip, Sheriff, R. E., Keys, D. A.
By Bullen, K. E.
By Crosby, Alfred W.
By Duncan, James S.
By Fowler, C. M. R.
By Chapman, Jenny L., Reiss, Michael
By Alma, P. J.
By van Andel, Tjeerd H.
By Boone, Catherine
By Bryant, Edward