Izmantototie informācijas avoti
- www.familysearch.org
- www.geni.com
- www.raduraksti.arhivi.lv
- www.minerva.riddarhuset.se
- www.archive.org
- www.archivportal-d.de
- www.ra.ee
- www.wappenwiki.org
- www.dspace.ut.ee
- www.wikipedia.org
- www.digitale-sammlungen.de
- www.warfarehistorynetwork.com
- www.sukuajahistoriaa.blogspot.com
- www.bbld.de
- www.portal.dnb.de
- https://periodika.lv/
- www.vietinghoff.org
- www.vonschoenberg.org
- www.adelsvapen.com