By Collins UK
By Clegg, Jackie, Kearsey, Sue, Price, Gareth, Smith, Mike
By Attenborough, David
By Smith, Mike, Shirazi, Shaista
By Thomas, Lewis
By Burns, George W.
By Alison Jolly
By Strickberger, Monroe W.
By Arms, Karen, Camp, Pamela S.
By Richard Fox, Edward Ruppert, Robert Barnes
By Arthur P. Mange, Elaine J. Mange
By Ebert, J.D.
By Goodenough, Ursula W., etc.
By Otto, James H., Towle, A.
By Odum, Eugene P.
By Simpkins, J., Williams, J.I.
By Morton Jenkins
By John Gee, Gee, John
By J.M. Lackie
By Darwin, Charles, Ridley, Mark
By F.M. Sullivan, Sullivan, F.M.
By F.M. Sullivan
By Sue Palmer, Avril Barton, Peter Brinton, Palmer, Sue, Barton, Avril, Brinton, Peter
By Herrmann, Heinz
By W Kapit, Robert I Macey, E Meisami
By Krebs, Charles J.
By Tortora, Gerard J., Anagnostakos, Nicholas P.