Changes

 *[http://www.archive.org/stream/salemgazet02richuoft#page/24/mode/2up Sections on Salem - Vriddhachalam Railway and Salem - Mettar Railway] from Madras Distict District Gazetteer of Salem (pub 1932) Archive.org *[https://books.google.fr/books?id=SzWvq8EYBwUC&pg=PA133&hl=fr&source=gbs_toc_r&cad=3#v=onepage&q&f=false Extracts from Google Books “Illustrated guide to the South Indian Railway: including the Tanjore District Board, Pondicherry, Peralam-Karaikkal, Travancore State, Cochin State, Coimbatore District Board, Tinnevelly-Tiruchendur, and the Nilgiri Railways”] by South Indian Railway Co. Ltd, 1926. Reprinted by New Delhi Asian Educational Services 2004.

*[https://archive.org/details/bub_gb_irg2AAAAMAAJ/page/n3 ''Illustrated guide Guide to the South Indian Railway, including the Mayavaram-Mutupet, and Peralam-Karaikkal railway''] 1900 Archive.org*[https://archive.org/details/illustratedguide00unse/page/n7 ''Illustrated Guide To The South Indian Railway including the Tanjore District Board, Pondicherry, Peralam-Karaikkal, Travancore State, Cochin State, Coimbatore District Board, Tinnevelly-Tiruchendur and the Nilgiri Railways''] by South Indian Railway Co. Ltd. Reprint of 1926 edition. Archive.org, Historical Resources of India Collection.