"W.G." . "W.E.G." . "G." . "W. E. G. Hurkmans" . "E. G." . "Willem"@en . "W. E. G. Hurkmans"@pl-PL . "Hurkmans"@en . "W. G. Hurkmans" . "W.G. Hurkmans" . "W.E.G Hurkmans" . "W.E.G. Hurkmans"@fr-FR . . "Willem E. Godfrey Hurkmans" . "W." . . . . . "Willem Hurkmans"@en . "E. Godfrey" . "W.E.G. Hurkmans" . . . "Hurkmans, Willem (Willem E. Godfrey)" . . "Willem E. Godfrey Hurkmans" . . "W.E.G" . . .