Changes

*[https://archive.org/details/dli.pahar.2883/page/n3/mode/2up ''An American Engineer in Afghanistan from the Letters and Notes of A C Jewett''], edited by Marjorie Jewett Bell 1948. Archive.org, mirror from Pahar: Mountains of Central Asia Digital Dataset. A C Jewett was chief engineer of the Amir from 1911 to 1919 in charge of installing a hydroelectric plant for Kabul.

* ''Beyond Khyber Pass'' by Lowell Thomas. First published 1925. Some editions were titled ''Beyond Khyber Pass into Forbidden Afghanistan''. [https://archive.org/details/in.ernet.dli.2015.175794 Archive.org mirror version], originally from the Digital Library of India. [https://en.wikipedia.org/wiki/Lowell_Thomas Lowell Thomas] (Wikipedia) American writer and broadcaster.

*[http://pahar.in/wpfb-file/1935-pedalling-through-the-afghan-wilds-being-the-experiences-of-kj-kharas-s-pdf/ ''Pedalling Through The Afghan Wilds. Being the Experiences of K.J. Kharas, R.D. Ghandhi, and R.D. Shroff''] 1935. Link to a pdf download Pahar- Mountains of Central Asia Digital Dataset. [https://archive.org/details/dli.pahar.2612/page/n3/mode/2up Archive.org mirror version].

:[https://archive.org/details/in.ernet.dli.2015.77252 ''Across The Highways Of The World''] by K J Kharas, R D Gandhi, R D Shroff. Second edition 1941, first published 1939. Archive.org, Public Library of India Collection.