"Transportation." . . . . . . . . . . "The Conestoga Six-Horse Bell Teams of Eastern Pennsylvania. [With illustrations.]"@en . "Conestoga six-horse bell teams, 1750-1850" . "Conestoga six-horse bell teams, 1750-1850"@en . . . . . . . . "The Conestoga six-horse bell teams of eastern Pennsylvania" . "The Conestoga six-horse bell teams of eastern Pennsylvania"@en . "The Conestoga six-horse bell teams of eastern" . "The Conestoga Six-Horse Bell Teams of Eastern Pennsylvania" . . . . . . . . . . . "The conestoga six-horse bell teams of eastern Pennsylvania"@en . . . . . . . . "History"@en . "History" . . . . . "Pennsylvania" . . "United States." . . . . "Wagons." . . "Transportation United States History." . .