. . "American Philosophical Society." . . . . "Transactions of the American philosophical society : cumulative index : old series, volumes 1-6 (1771-1809), new series, volumes 1-50 (1818-1960), Historical and literary committee, volumes 1-3 (1819-1843), Supplement to American magazine (1769)" . . . "Transactions of the American Philosophical Society: cumulative index : old series, volumes 1 - 6 (1771 - 1809), new series, volumes 1 - 50 (1818 - 1960), Historical and literary committee, volumes 1 - 3 (1819 - 1843), Supplement to American magazine (1769)" . . "Transactions : Cumulative index. Old series, volumes 1-6 (1771-1809); New series, volumes 1-50 (1818-1960); Historical and Literary Committee, volumes 1-3 (1819-1843); Supplement to American magazine (1769)"@en .