By Plomin, Robert, McLearn, G.E., DeFries, J.C., Rutter, Sir Michael
By Kiess, Harold O.
By Birren, James E., Schaie PhD, K. Warner
By Gray, Peter, Miller, Andy, Noakes, Jim
By Genet, Jean, Frechtman, B.
By Wickens, Andrew
By Pinel, John P.J.
By Roffey, Sue
By MEGGINSON, David
By Fadem, Barbara
By Hudson Ph.D., Frederic M.
By Riggio, Ronald E., Murphy, Susan Elaine, Pirozzolo, Francis J.
By Rogers, Prof Lesley
By Collins, Sylvie, Kneale, Pauline
By Morris, Desmond
By Arnold
By Sutton–smith, Brian
By Rollnick, Stephen, Miller, William R., Butler, Christopher C., Walsh, Barent W., Rhode, Robert G.
By Zimbardo, Philip
By Adrian Faupel, Faupel, Adrian
By Eysenck, Michael W.
By Parker, Ian
By Berke, Joseph H.
By Irigaray, Luce
By Wittgenstein, Ludwig, Anscombe, G. E. M., Nyman, Heikki, von Wright, G. H.
By Wiener, Jerry M., Breslin, Nancy
By Carew, Thomas J
By Goodson, Ivor F.
By Scottish Home & Health Dept