By Nicpon-Marieb, Elaine
By DeFranco, Anthony, Locksley, Richard, Robertson, Miranda
By Sacks, Oliver
By Gotelli, Nicholas J.
By Carlson, Neil R., Buskist, WILLIAM
By Gardiner, Phillip F.
By Keynes, Milo, Edwards, A. W. F., Peel, Robert
By DK:
By Smith, Anthony
By Skoyles, John, Sagan, Dorion
By Moore, Gary, Knight, Gavin, Blann, Andrew
By Stringer, Chris
By Davis, Daniel M
By Sherwood, Lauralee
By Jared Diamond
By Caswell, Hal
By Tortora, Gerard J.
By Rae–Dupree, Janet, DuPree, Pat
By Whitfield, Philip
By National Geographic Society
By Dennis, Carina, Gallagher, Richard
By Guy, Julia F.
By Finlayson, Clive
By Gärdenfors, Peter
By Tortora, Gerard J., Grabowski, Sandra R.
By James, Geary
By Ridley, Matt
By Brown, Guy
By Malik, Kenan
By Tindall