- en.wikipedia.org Ákos BarcsayÁkos Barcsay, Prince of Transylvania, c. 1660. Ákos Barcsay (Achatius) (c. 1610 – July 1661) was Prince of Transylvania from September 14, 1658 to December 31, 1660.
- en.numista.com catalogue/ruler.php…Also known as Ákos Barcsai. Born in 1619 in Hunyad County Died in 1661 in Cozma.
- buyukansiklopedi.com Akos_BarcsayAkos Barcsay de Nagybarcsa (tr) , doğdu 1619 ve ölen 1661'de , Prince of idi Transilvanya den 1658 kadar 1660 .
- hungarianottomanwars.com essays/prince-barcsay-…According to Krausz, a contemporary Saxon chronicler, Prince Barcsay Ákos, one of the most educated people of his time, was executed in this way
- boo.world database/profile/1015137/ákos-barcsay-…Ákos Barcsay's legacy as a political leader in Romania continues to be remembered and celebrated today.
- biolex.ios-regensburg.de BioLexViewview.php…Zombory, Ida: Erdély pénz- és hadügyei Barcsay Ákos, Kemény János és Apafy Mihály fejedelmek idejében, 1658-1690.
- bbc-history.hu barcsay-akos-erdelyi-fejedelem/Barcsay Ákos erdélyi fejedelem uralkodása meglehetősen ellentmondásos volt.
- global.museum-digital.org object/12535321938. A legalsó lépcsőn balról jobbra: Somsich Andor Pál, Barcsay Ákos, Stephaich Pál.
- destepti.ro monumentul-lui-acatiu-barcsay-akos-…Acațiu Barcsay Ákos, cunoscut pentru rolul său ca Principe al Transilvaniei și influențele sale culturale și religioase, rămâne o figură notabilă în istoria zonei.
- peoplepill.com i/akos-barcsayÁkos Barcsay de Nagybarcsa (en) , né en 1619 et mort en 1661, fut prince de Transylvanie de 1658 à 1660.
- dergipark.org.tr en/pub/iutarih/issue/9582/119573Uzunçarşılı İ. Barcsay Akos'un Erdel Krallığına Âid Bazı Orijinal Vesîkalar.
- adevarul.ro tag/akos barcsayMonumentul închinat lui Acaţiu Barcsay, principe al Transilvaniei în secolul al XVII-lea, va trebui demolat din centrul istoric al municipiului Deva.
- numisbids.com n.php…Above, angel face., Extremely rare and beautiful thaler by Ákos Barcsay for the Principality of Transylvania!
- mandiner.hu cimke/barcsay_akosLebontották Barcsay Ákos erdélyi fejedelem dévai emlékoszlopát.