- FamilySea
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Anna Elizabeth Alberts, person ID LCTK-VX4.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Alida Alberts, person ID LCYM-FL9.
» Sources » Family tree M. Tolsma » Genealogy Online">
- FamilySea
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Anna Elizabeth Alberts, person ID LCTK-VX4.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0 - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Alida Alberts, person ID LCYM-FL9.
» Sources » Family tree M. Tolsma » Genealogy Online">