Encyclopaedia Iranica, 'Giath Beg, Etemad-al-Dawla' (Shokoohy, 2001)

الموسوعة الإيرانية، «غياث بك، اعتماد الدولة» ⁦(شكوهي، 2001)⁩

Mehrdad Shokoohy's Encyclopaedia Iranica entry on Ghiyath al-Din Muhammad Tehrani (Ghiyas Beg), titled I'timad-ud-Daulah, Jahangir's prime minister and father of Nur Jahan: it dates his death near Kangra to 1031/1622 and recounts his Tehran birth, the emigration to India, his service as diwan of Kabul and then Vakil of the empire 1611-1621, and his burial at Agra on the bank of the Yamuna.