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 Baker, G.
By Tomlinson, G.
By Macherey, Pierre, Wall, G.
By Gorshkov, G.
By Legman, G.
By R.J. Unstead, Unstead, R.J., Ambrus, G.
By Bennett, G.
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By Arthurs, G.
By Skogsberg, Bertil, Bisset, G.
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By G Aas, Martin Walters, A Riedmiller, Aas, G., Riedmiller, A.
By Gardiner, V., 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 Jacobs, A. G., McCrory, J. R., G., Brown, Michael
By Gavin, Jamila, Ram, G.
By Trease, G.
By McDermot, G.
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By Price, G., etc.
By Kasemann, Ernst, Kroder, G.