The logical syntax of language / Rudolf Carnap ; translated by Amethe Smeaton (Countess von Zeppelin) - Carnap, Rudolf, 1891-1970. (OLS)http://pul/name/10976 (Open Court, 2002)
Comprende indice dei soggetti.
"Bibliography and index of authors": p. [334]-346.

Questo Novecento / Vittorio Foa. - Foa, Vittorio. (OLS)http://pul/name/82009 (Einaudi, 1996)
Include indici.