"Vie chrétienne." . . "Christian life." . . . . . . "Ruling ideas of the present age"@en . "Ruling ideas of the present age" . . . "Electronic books" . "Ruling ideas of the Present Age" . . . . . . . . . . . . . . . . . . . "Aikamme johtavia aatteita"@fi . "Aikamme johtavia aatteita" . . . . . . . . . . . . . . . . . . . . . . . "Social ethics." . . "1800 - 1899" . . "Morale sociale." . .