Wikidata item (Willem van der Poel).
Facts
Urlhttps://www.wikidata.org/wiki/Q3189981
Sources
Willem van der Poel (Wikidata)
Claims Backed By This Source (17 claims)
This source backs 17 claims across the atlas. As facts: 9 well-attested. Plus 8 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Pioneers, 15 claims: 7 well-attested, 8 general references.
- Sources, 2 claims: 2 well-attested.
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