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*[http://books.northwestern.edu/viewer.html?id=inu:inu-mntb-0006847474-bk ''Slips at Mudgorge on the Sind-Peshin Railway during 1889-93''] by C W Hodson. Simla : G.C. Press, [1905] Northwestern University Libraries Digitized Books. [https://search.library.northwestern.edu/primo-explore/fulldisplay?docid=01NWU_ALMA51615782250002441&context=L&vid=NULVNEW&search_scope=NWU&tab=default_tab&lang=en_US Catalogue entry] Series: Technical Section papers (India. Railway Board. Technical Section) ; no. 179 [catalogued 137].