By Dury, G.
By Yayock, J., Lombin, G., Owonubi, J. J.
By Berghaus, G.
By Currie PhD., Shawn, Brookes, G., Jones, C., Mcleod, P., Morris, J., Nicholls, R.
By McDermot, G.
By Macherey, Pierre, Wall, G.
By Gorshkov, G.
By Legman, G.
By R.J. Unstead, Unstead, R.J., Ambrus, G.
By Bennett, G.
By Hayes, G.
By Arthurs, G.
By Skogsberg, Bertil, Bisset, G.
By Strube, G.
By Daryanani, G.
By G Aas, Martin Walters, A Riedmiller, Aas, G., Riedmiller, A.
By M. Ford, G., Ford, G. M.
By Jacobs, A. G., McCrory, J. R., G., Brown, Michael
By Lopes, Henri, Moore, G.
By Gillian Cross, Cross, Gillian, Floyd, G.
By Ende, Michael, Fuchshuber, Annegert, Fuchshuber ; translated by Gwen Marsh, Marsh, G.
By Ayres, Pam, Percy, G.
By Berridge, G.
By Schwenker, G.
By Price, G., etc.
By Guida, G., Lamperti, Zanella, Marina
By Gavin, Jamila, Ram, G.
By Baker, G.
By Kasemann, Ernst, Kroder, G.
By Gardiner, V., G.