West Virginia University Freight Car Photos
Photos from their West Virginia History On View website (https://wvhistoryonview.org/).
Click on the photos to enlarge them.
A search for "Freight Car" will produce even more photos, many of them either partial car photos or distant photos. And, as you would expect, there are tons of coal industry/railroad photos. Tons.
Ohio River Railroad Boxcar
Ohio River Railroad Gondola
West Virginia Shortline Railroad Gondola
IC Flat Car
Morgan's Lousiana & Texas/SP Boxcar
Eastern Kentucky Railroad Boxcar
GRCX/Koppers Tank Car
Western Maryland Hopper