Mencken, A. (1957). The railroad passenger car: An illustrated history of the first hundred years, with accounts by contemporary passengers. Johns Hopkins Press.

Mencken, August. The Railroad Passenger Car: An Illustrated History of the First Hundred Years, with Accounts by Contemporary Passengers. Baltimore: Johns Hopkins Press, 1957.

Mencken, August. The Railroad Passenger Car: An Illustrated History of the First Hundred Years, with Accounts by Contemporary Passengers. Johns Hopkins Press, 1957.