About the motives of human actions in particular about ethical motives and their varieties

Petrazhitsky, Lev Iosifovich (1867-1931).On the motives of human actions in particular on ethical motifs and their varieties / [cit.] Prof.L.I.Petrazhitsky.- St. Petersburg: Type.E.L.Porokhovshchikova, 1904. -75 s .. -.Electronic Source: PB