By McFarland, William N., etc., Pough, F. Harvey, Heiser, John B.
By Mayhew, Susan
By Jones, Moira
By Geological Sciences Institute
By Lovelock, James
By Geological Sciences Inst.
By BOYD (Lizzie)
By Plant Partners
By Anon
By Edited By Lizzie Boyd
By Unknown, BOYD (Lizzie, editor)
By Boyd, Lizzie. (Consultant Editor).
By Lorenz, Konrad, Martin, R.
By Doris L Holmes
By Wathern, Peter
By Woodell, S.R.J.
By Robert Gibbons, Gibbons, Robert
By Ordnance Survey
By Reader's Digest Association
By Reader's Digest
By Farmer, Andrew
By Reader's Digest, Various