By Paul Sterry
By Jane McGary, North American Rock Garden Society
By John Manning
By Roger Phillips, Sheila Grant, Tom Wellsted
By Fish, Margery, Huxley, Anthony
By Preston, G.H.
By Williams, Brian, etc., Kramer, Jack
By Chrispeels, Maarten J., Sadava, David E.
By Godwin, Sam
By Hamilton, Geoff
By Rose, Peter Q.
By Elliott, Charles
By Buczacki, Dr Stefan, Gardening, Amateur
By Ary, S., Gregory, Mary
By Nicola Ferguson
By Buchan, Ursula
By Preston, George
By Jefferson-Brown, Michael
By Fisk, Jim
By Polunin, Oleg, Smythies, B.E.
By Thorpe, Patricia
By Harper Collins Publishers
By Marsh, Jean.
By squire-david
By Diffenbaugh, Vanessa
By Jean Marsh, Kate Greenaway
By Hattatt, Lance
By Trehane, David