Diversos autors. «AZERBAIJAN». A: Encyclopædia Iranica [Consulta: 9 octubre 2011]. «This new entity consisted of the former Iranian Khanates of Arrān, including Karabagh, Baku, Shirvan, Ganja, Talysh (Ṭāleš), Derbent (Darband), Kuba, and Nakhichevan (Naḵjavān), which had been annexed to Russia by the treaties of Golestān (1813) and Torkamānčāy (1828) under the rubric of Eastern Transcaucasia.»
loc.gov
lcweb2.loc.gov
Azerbaijan – US Library of Congress Country Studies (revisat el 7 de juny del 2006).
"Armenia-Ancient Period" – US Library of Congress Country Studies (revisat el 23 de juny del 2006).