A.A.R. Car Codes
List
Road Names
Complete List
NMRA Scale Weight Calculator
https://showmyhobby.com/index.php/henrys-nmra-rolling-stock-car-scale-weight-calculator/
UP’s lettering style
https://utahrails.net/up/up-gothic-lettering.php
Locomotive Pictures
railpictures.net
http://www.rrpicturearchives.net/default.aspx
Model railroads of interest
Harlan Boyce ATSF RR
Dick Harrison Lehigh & Western RR