Below is a list of the texts that have influenced my project on Gulbadan Begum and that may be of interest to you.
Primary Source
Gulbadan Begum, Ahval-i Humayun Padishah or Humayunnama. Translated by Annette Beveridge. The text and its translation is available here: https://archive.org/details/historyofhumayun00gulbrich
Secondary Sources
Leslie Peirce, The Imperial Harem: Women and Sovereignty in the Ottoman Empire (Oxford University Press, 1993)
Ruby Lal, Domesticity and Power in the Early Mughal World (Cambridge University Press, 2005)
Azfar Moin, The Millennial Sovereign: Sacred Kingship and Sainthood in Islam (Columbia University Press, 2012)
Afsaneh Najmabadi, Women with Mustaches and Men without Beards: Gender and Sexual Anxieties of Iranian Modernity (University of California Press, 2005)