. . "Paulus Petrus Lodewijk Berkers"@de-DE . "Paulus Petrus Lo Berkers" . . . . "Berkers, P.P.L. (Paulus Petrus Lo)" . "Petrus Lo" . "Pauwke" . "Paulus" . "P.P.L. Berkers"@nl-NL . "Pauwke Berkers" . "Petrus Lodewijk" . . "Paulus Petrus Lo Berkers" . . "1977" . "Berkers" .