"Harold George" . "Castle, H. G. (Harold George)" . "H.G" . . . "Harold"@en . . . "H.G. Castle"@nl-NL . "H. G. CASTLE" . "Writer on Crime H. G. CASTLE" . "Harold George Castle" . "Harold George CASTLE" . "H. G. Castle" . "H. G. Castle"@en . "G." . "H.G Castle" . "George"@en . "CASTLE, H. G., Writer on Crime" . "CASTLE" . "Harold George Castle"@en . . "Castle"@en . . "Harold G. Castle" . "H. G." . "H." . . .