(1 January 2006)
Otterlo was a separate municipality until 1818, when it merged with Ede.
- Ad van der Meer and Onno Boonstra, Repertorium van Nederlandse gemeenten, KNAW, 2006.
Media related to Otterlo at Wikimedia Commons
- J. Kuyper, Gemeente Atlas van Nederland, 1865-1870, "Otterlo". Map of the former municipality, around 1868.
- CBC Archives - CBC Radio reporting from Otterlo April 17, 1945.
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