RT Book T1 The positive science of morals;: its opportuneness, its outlines, and its chief applications A1 Laffitte, Pierre 1823-1903 A2 Hall, John Carey 1844-1921. LA English PP London PB Watts & co. YR 1908 UL https://ixtheo.de/Record/1894070607 OP 218 CN BJ 1372 K1 Ethics