1. Adamson, W. L. (1980) Hegemony and Revolution. A Study of Antonio Gramsci’s Political and Cultural Theory (Berkeley: University of California Press).
2. Aga Rossi, E. and Zaslavsky, V. (2007) Togliatti e Stalin. Il PCI e la politica estera staliniana negli archivi di Mosca (Bologna: Il Mulino).
3. Ajello, N. (1979) Intellettuali e Pci, 1944–1958 (Rom: Laterza).
4. Althusser, L. (1984) Essays on Ideology (London: Verso).
5. Aust, M. (2017) Die Russische Revolution: Vom Zarenreich zum Sowjetimperium (Munich: Beck).