By "T. V. Vet"
By Brewis, Henry, Brewis, Henry
By E. Grant Moody, Ezra Taft Benson Agriculture and Food In
By Phillips, Clive
By Blowey, R. W., Edmondson, Peter
By Raymond, Frank, Waltham, R.
By Gibbard, Stuart
By ORGANISATION FO
By Pillay, T. V. R.
By Robin Mearns, Melissa Leach
By Hans Gerd Muller, Müller, Hans Gerd
By Dunman, Jack
By Spedding, C.R.W.
By Frank, Gerrard
By Lister, Ted, Blumenthal, Heston
By Mwamba, C.
By Steel, Jennifer
By Johnson, Hugh, Hugh Johnson
By Mitchell Beazley, Hugh Johnson
By Sally Ashworth, Leo Zanelli, George Seddon, Helena Radecka
By Bristow, Alec
By Jackson, Michael
By Crewe, Quentin
By Moore, Peter
By Carr, Sandy
By Johnson, Hugh., Hugh
By Johnson, Hugh
By Davidson, Alan, Knox, Charlotte
By Schuster, Michael