[http://tijdschriften.archiefalkmaar.nl/issue/ALT/1988-01-01/edition/0/page/1 Artikel] over Murmellius en Alkmaarse scholen.
https://drebbel.net/1988%20Alkmaar%20school.pdf ---- [[Category:Alkmaar]] [[Category:PDF]][[Year::1988| ]][[Language::Dutch| ]][[Published in::Alkmaar| ]]