By Arnold, Nicholas, Burton, John A., Ovenden, Denys
By Cleave, Andrew
By Libes, Susan M.
By Clark, R.B.
By Harrison, R. J.
By Barrett, John, Ovenden, Denys
By Richard Peirce, Lar En Per
By Viner, Bradley
By Williams, Sarah
By Trevor Norton, Win Norton
By Reader's Digest
By Humann, Paul
By Cole, Brandon;Michael, Scott
By Grahame, John
By Abbott, R.Tucker
By Cousteau, Jacques-Yves, Dumas, Frederic
By Naylor, Paul
By Stadelmann, Peter
By Cafiero, Jahoda
By Parker, Steve
By Jacques-Yves Cousteau
By Chhapgar, B. F.
By Earle, Sylvia A.
By Matthews, Downs
By Katherine Orr
By Jones, Alick, Sefton, Nancy
By Thraves, Stuart
By Dieter Untergasser
By Bellomy, Mildred D.