Merchants Limited
... that the New York, New Haven and Hartford Railroad's Merchants Limited was the last all-parlor car passenger train in the United States?
... that the <a href="./New_York,_New_Haven_and_Hartford_Railroad" id="mwB-A" rel="mw:WikiLink" title="New York, New Haven and Hartford Railroad">New York, New Haven and Hartford Railroad</a>'s <i id="mwB-E"><b id="mwB-I"><a href="./Merchants_Limited" id="mwB-M" rel="mw:WikiLink" title="Merchants Limited">Merchants Limited</a></b></i> was the last all-<a href="./Parlor_car" id="mwB-Q" rel="mw:WikiLink" title="Parlor car">parlor car</a> <a href="./Passenger_train" id="mwB-U" rel="mw:WikiLink" title="Passenger train">passenger train</a> in the United States?