By Ganeri, Anita, Anita; Martell, Hazel Mary; Williams, Brian
By Barbara Taylor
By Ronald M. Atlas (University of Louisville, Kentucky, USA)
By Roderick A. Cawson, J. W. Eveson, W.H. Binnie, William H Binnie
By Whitaker, Robert H., Borley, Neil R.
By Alastair Munro
By Richard Bird, National Trust Books
By Sapolsky, Robert M
By C. Lentner
By Jacqueline Dineen
By Rob Hume, Illustrated with numerous colour plates
By Jinny Johnson, Mike Woods, Bruce Pearson
By Jane B. Morgan (University of Surrey, Guildford, UK), John W. T. Dickerson (University of Surrey
By Stephen Baker, Jackie Geyer
By Gerardo Ceballos (Instituto de Ecologia, UNAM, UNAM)
By Esther Verhoef-Verhallen
By Nadine B Carozzi
By Jacques Dupayrat
By Don E. Wilson, DeeAnn M. Reeder
By John M. Lackie, Julian A. T. Dow
By Paul, William E., etc.
By Crick, Ronald Pitts, Khaw, Peng Tee
By Richard A Harvey PhD, Denise R Ferrier PhD, Harvey PhD, Richard A, Ferrier PhD, Denise R
By Faust, Rudiger, Knaus, Gunter, Siemeling, Ulrich, Quadbeck–Seeger, Hans–Jürgen
By Weiner, Howard L., Mayer, Lloyd F.
By Clarke, J.C.
By Ph.D, Raye Lynne Dippel PH.D., Hutton, J. Thomas M.D.