This VIAF Cluster has been deleted. It is no longer part of VIAF.
Decroly, Ovide, 1871-1932. | Calcul et la mesure au premier degré de l'école decroly
VIAF ID: 309421667 ( Unknown Name Type )
Permalink: http://viaf.org/viaf/309421667
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Decroly, Ovide,