- FamilySearch Family T
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for Anna Hoorn, person ID KCC5-D73.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for Anna Hoorn, person ID KZH5-JFK.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">
- FamilySearch Family T
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for Anna Hoorn, person ID KCC5-D73.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 24 Jun 2016), entry for Anna Hoorn, person ID KZH5-JFK.
» Les sources » Arbre généalogique M. Tolsma » Généalogie Online">