Vol. III, _Filosofia della Pratica_, 1915. (Translated under the tide
of "_The Philosophy of the Practical: Economics and Ethics._")
Vol. IV, _Teoria e Storia della Storiografia_, 1920. (Translated under
the tide of "_Theory and History of Historiography_" in England, and
under the ride of "_History: Its Theory and Practice_" in the United
States.)
Saggi filosofici ("_Philosophical Essays_"):