. . "Hugh Houghton" . . "Hugh Alexander Gervase Houghton" . "H.A.G. Houghton"@nl-NL . "H.A.G" . . "H. A. G. Houghton"@en . "H. A. G. Houghton" . "Hugh Alexander Gervase Houghton"@fr-FR . . . "Hugh Houghton" . . "Houghton, H. A. G." . "Hugh" . . "Houghton"@en . . . "A.G" . . . "Houghton"@fr-FR . . . "Hugh A.G Houghton" . "Hugh A. G. Houghton" . "H.A.G Houghton" . "Houghton, Hugh A. G." . "Houghton, H.A.G. (Hugh A.G.)" . "A. G."@en . "1976-06-17" . "Alexander Gervase" . "H."@en .