- biographies.net biography/andrás-bethlen/m/0dr_w92
- wikitree.com wiki/Bethlen_de_Bethlen-2
- celebrityhow.com networth/AndrasBethlen-4759769
- wikifamouspeople.com andras-bethlen-wiki-…
- europebetweeneastandwest.wordpress.com 2018/12/29…
- rijksmuseum.nl en/collection/RP-P-1972-48
- http://primariabeclean.ro web/castelul-andras-bethlen/