doi:10.7916/d8-h18v-p530General description of New York Terminal with reference in more detail to East River tunnelsPennsylvania Tunnel and Terminal Railroad CompanybookstextRailroad tunnels--New York (State)Manhattan (New York, N.Y.)Queens (New York, N.Y.)East River (N.Y.)Pennsylvania Station (New York, N.Y.)Pennsylvania Railroad.Long Island Rail Road.