"O." . "Peder Matthisen" . "Ofvid" . "P." . "Peder" . "P.M.O" . . "P. M. O." . . . "Matthisen" . "Matthisen" . "P. M. O." . "P." . "Peder Matthisen Ofvid"@de-DE . "P.M.O" . "M. O. P." . "O." . "M." . "M." . . .