. "Pennsylvania elected its members October 10, 1820."@en . . . . . . . . . . . . "33021961"^^ . . . . . . . . . . . . . . . . . . . . . . . "1110978302"^^ . . . . . . . . . . . . . . . "12666"^^ . . . . . "1820 United States House of Representatives elections in Pennsylvania"@en . . . . . . . . . . . . . . . "Pennsylvania elected its members October 10, 1820."@en . . . . . . . . . . . . .