^Pakistan is in de facto control of this region of Gilgit_Baltistan; the Pakistan claim is disputed by India which controls areas just a few miles to the east (east of the Actual Ground Position Line.) See e.g. The Future of Kashmir on the BBC website.
Jill Neate, High Asia: an illustrated history of the 7,000 metre peaks, The Mountaineers, 1989.
Jerzy Wala, Orographical Sketch Map of the Karakoram, Swiss Foundation for Alpine Research, 1990.