"R.R. Haering"@nl-NL . "Haering"@en . "R." . "Richard" . . "Haering, R. R. (Rudolf Roland)" . "Haering, R. R. (Rudolph Roland)" . "R.R" . "Rudolf Roland Haering"@en . . "Rudolph Roland Haering" . . "Roland"@en . "Rudolph" . "Haering, R. R (Rudolph Richard.)" . . "R. R. Haering"@de-DE . "R." . "Rudolph Richard Haering" . "R.R Haering" . "Rudolf"@en . . . . .