Tolong jelaskan mengenai Bacaan lebih lanjut dari Gülfem Hatun

Peirce, Leslie P., The Imperial Harem: Women and Sovereignty in the Ottoman Empire, Oxford University Press, 1993, ISBN 0-19-508677-5 (paperback).

Yavuz Bahadıroğlu, Resimli Osmanlı Tarihi, Nesil Yayınları (Ottoman History with Illustrations, Nesil Publications), 15th Ed., 2009, ISBN 978-975-269-299-2 (Hardcover).