J. C. M. van Riemsdijk

Jhr. Mr. Johan Cornelis Marius van Riemsdijk was a Dutch musician and author. A copy of his book Het Stads-muziekcollegie te Utrecht (Collegium musicum ultrajectinum): Eene Bydrage tot de Geschiedenis der Toonkunst in Nederland could be found in the Hogwarts Library by the 1990s.

Appearances

 * Harry Potter films