By Farndon, John
By Gifford, Clive
By Farndon, John, MacCuish, Isla
By Clare Oliver
By Coote, Roger
By Booth, Basil
By Parker, Steve
By Wood, Jenny
By Walters, Martin, Trotman, Felicity
By Kirk, Wendy, Cook, David
By Cooke, Ronald U., Warren, Andrew, Goudie, Andrew S.
By Dixon, Dougal, etc., Kerrod, Robin
By Young, Jay
By Unknown, Allaby, Michael (1933-)
By Pluckrose, Henry
By Alwyn Scarth, Bill Jones, Clar Baggaley, Liz McLeod
By Fortey, Dr Richard
By Jennings, Terry
By Coleman, Gordon J., Dewar, David
By Pigliucci, Massimo, Ed.
By British Geological Survey
By Gooders, John
By Emery, Dominic, Myers, Keith
By Rose, Susanna Van, Bonson, Richard
By Ludman, Allan, Coch, Nicholas K.
By Rider, M.H.
By Daintith, John
By Wood, S., Bonson, Richard