By Joan Solomon, Joan Solomon
By Goldsworthy
By Feasey, Rosemary
By Feasey, Rosemary, Gallear, Bob
By Cartwright
By Association for Science Education
By Ralph F. Farley
By Readers Digest
By Kalman, Bobbie
By Rosenberg, Anne
By Cox, C. Barry, Moore, Peter D.
By Weber, Edward P., Lach, Denise, Steel, Brent S.
By Patterson, Freeman
By anita-ganeri, Anita Ganeri
By Bouton M.
By Ross M., Pawlina W.
By Taiz, Lincoln, Zeiger, Eduardo
By Alcock J.
By Money, John, Lamacz, Margaret
By Linda Kroll, Ruth Lieberherr, Ruth Lieberherr
By Soutter-Perrot, Andrienne
By Murray Bookchin, Dave Foreman
By Reiss, Michael J.
By Berryman, Julia C., Hargreaves, David J., Hollin, Clive R., Howells, Kevin
By Howard, Kevin, Prisk, Elaine