1  The wav files for this guide listed below were obtained from http://soundbible.com/tags-train.html
 2  
 3  The files have the following attributions Creative Commons 3 license unless marked Public Domain:
 4  
 5  Steam Train Whistle by Daniel Simion
 6  Steam Train Sound by Daniel Simion 
 7  Railroad Crossing Bell by Brylon Terry 
 8  Cargo Train by Stephan Schutze
 9  Train Sound Indian Railways Public Domain by Satish Madiwale
10  Train Honk Horn 2x Sound by Mike Koenig 
11  Toy Train Whistle Sound Public Domain by KP 
12  
13  You can view the terms of the Creative Commons 3.0 license at https://creativecommons.org/licenses/by/3.0/us/