The correct answer is A. Ladakh Chronicles.
Ladakh Chronicles is a historical chronicle of Ladakh, written in the 17th century by the Ladakhi historian Tsangpa Ngawang Namgyal. It is the most comprehensive source of information on the history of Ladakh, and provides a detailed account of the region’s political, social, and religious history.
The other options are incorrect because they are not literary sources that contain detailed history of Ladakh.
B. Ladakh Diary is a travelogue written by the British officer Henry Strachey in the 19th century. It provides a first-hand account of Strachey’s travels through Ladakh, but does not contain a detailed history of the region.
C. Himalayan Ladakh and Half Moon is a travel guide written by the British author John Murray in the 19th century. It provides information on the geography, climate, and people of Ladakh, but does not contain a detailed history of the region.
D. Himalayan Tibet and Ladakh is a travel guide written by the British author Isabella Bird Bishop in the 19th century. It provides information on the geography, climate, and people of Ladakh and Tibet, but does not contain a detailed history of either region.