By Robson, Michael D., Morgan, Anne G.
By Soper, R., Smith, S.Tyrell
By Took, Ian
By Brewer, C.V., Burrow, C.D.
By Lyons, Mike
By Alderson, Pauline, Rowland, Martin
By Soper, R.
By Kilgour, O.F.G.
By Ardley, Neil, Ardley, Bridget
By Dineen, Jacqueline
By Burgess, Jan
By Hayward, Geoff, Geoff Hayward
By Taylor, Jane
By Gadd, Philip
By Soper, Roland
By Stout, G.W., Green, N.P.O.
By Ward, Nathalie F.R., Morgan, Tessa
By Kilgour, O.F.G., Riley, Peter
By Fox
By Phillips, M.E., Cox, L.E.
By Comber, L.C., Schools Council, Schools Council Educational Use of Living Organisms Project
By Hall, John Ruthven
By Lister, R.E.
By Brocklehurst, Keith G., Fielden, Peter S.
By Freeland, P.W.
By Liffen, Chris
By Bennetts, Jim, etc.
By Sears, John, Taylor, Sue