Panoramic profile of the hill ranges seen from Simla, at Jako 8,055 feet /
Woodthorpe, R. G.(Robert Gosset)
Survey of India.
Calcutta : Survey of India,
1893.
"Reg. No. 306, S.I.D. - June 97 - 100". "Reg. No. 1607 D., 09. S I -200"
"Published under the direction of Col. H.R. Thuillier, ... Surveyor General of India".