Clive Oppenheimer
David Seddon
J. David Singer, Melvin Small
Norbert Götz
E. Vega-RomÁN, M. Marchant, I. SÁNchez
Julie Papworth, Roger Dence
Jacek Jędrysiak
Richard T. Cupitt, Rodney L. Whitlock, Lynn Williams Whitlock
Kenneth Morgan
Gustav Ängeby
