|"Is this all real? Or has this been happening inside my head?"
The topic of this article is of a real-life subject that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
A copy of his book Het Stads-Muziek-Collegie te Utrecht (Collegium-Musicum-Ultrajectinum): Eene Bydrage tot de Geschiedenis der Toonkunst in Nederland could be found in the Hogwarts library by the 1990s.
- Harry Potter films (Mentioned on book cover)
Notes and references
- "Johan Cornelis Marius van Riemsdijk" from Geni.com
- "Johan Cornelis Marius van Riemsdijk (1841-1895)" from the Nederlands Muziek Instituut
- Harry Potter Limited Edition - A Guide to the Graphic Arts Department: Posters, Prints, and Publications from the Harry Potter Films (see this image)