Vol. II, _La Filosofia di Giambattista Fico_, 1911. (Translated under
the title of "_The Philosophy of Vico._")
Vol. III, _Saggio sullo Hegel_, 1913. ("_Essay on Hegel_," followed
by essays on the history of philosophy; the essay on Hegel translated
under the tide of "What Is Living and What Is Dead in the Philosophy of
Hegel.")
Vol. IV, _Materialismo Storico ed economia marxistica_, 1918.
(Translated under the title of "Historical Materialism and Marxian
Economics.")
Vol. V, _Nuovi Saggi di Estetica_, 1920. ("New Essays on Æsthetics";
contains the _Breviario di Estetica_, translated under the title of
"The Essence of Æsthetics.")