By A.L. Griffiths
By Hazel R. Barrett, Barrett, Hazel R.
By David Flint, Professor W. E. Marsden, V.M. Marsden, Flint, David, Marsden, Professor W. E., V.M.
By Professor W. E. Marsden, etc., V.M. Marsden, David Flint, Marsden, Professor W. E., V.M., Flint, David
By David Flint, B. Marsdon, V. Marsden, Flint, David, Marsdon, B., Marsden, V.
By Sue Palmer, Avril Barton, Peter Brinton, Palmer, Sue, Barton, Avril, Brinton, Peter
By David Flint, etc., Professor W. E. Marsden, V.M. Marsden
By David Flint, Professor W. E. Marsden, V.M. Marsden
By Sebastian Junger
By Brockie, Keith
By F. J. Pettijohn
By Gerard J. Tortora, Nicholas P. Anagnostakos, Tortora, Gerard J., Anagnostakos, Nicholas P.
By Jorge Cruise
By eleanor herman
By Carson, Rachel
By Paul Hawken
By Brockman, John
By Flinn, Alex
By Larry Gonick, Woollcott Smith, Gonick, Larry, Smith, Woollcott
By Derek Rowntree
By Beishon, John, Peters, Geoff
By Harry Morrow Brown
By Udry, Janice May
By Robert a Morris, Morris, Robert A
By Michael B. Smith
By Glenn Bastian
By Ronald N. Bracewell, Bracewell, Ronald N.