By STEPHEN BATTERSBY
By R.A.C. Parker
By Lees-Ferguson, James, Willis, Ian, Ferguson-Lees, James, Sharrock, J. T. R.
By Prokop, Rudolf.
By W. G. East
By Cartwright, David Edgar
By Richard Jeffries
By McGuire, Bill, Garratt, Richard
By N/A
By Hambrey, Michael
By P. J. Banyard
By Clive Clifford
By Slaght, Jonathan C.
By National Geographic
By KIM KNIGHT
By Binns, Margaret
By unkown
By Vic Parker
By Notarius, Barbara
By Dennis S. Hill
By Boesch, Christophe
By Roy Genders