While all the books are available in Dutch, the main three albums have also been translated into French, but not into English.
professor | Professor | The Nutty Professor | Professor Moriarty | Professor Green | The Nutty Professor (1996 film) | The Absent-Minded Professor | Quain Professor | Large Professor | Regius Professor of Physic | Professor Longhair | Nutty Professor II: The Klumps | Professor X | Professor of Mathematics, Glasgow | National University of Singapore University Professor | Gardiner Professor of Oceanic History and Affairs | Andrea Romano (professor) | Woodwardian Professor of Geology | Whewell Professor of International Law | Walter Raleigh (professor) | Vinerian Professor of English Law | The System of Doctor Tarr and Professor Fether | Sterling Professor | Sir Herbert Thompson Professor of Egyptology | Regius Professor of Physic (Cambridge) | Regius Professor of Divinity | Professor (film) | Professor Calculus | Professor Beware | Pitt Professor of American History and Institutions |