Levy, Robert. Power struggles in the Romanian Comunist Party leadership during the period of the formation of the Groza regime In: 6 Martie 1945. Bucureşti, 1995, p.78-90.

Levy, Robert. Naivitate fatală: Tragedia lui Emil Calmonovici (Naďveté fatale: la tragédie d'Emil Calmonovici). In: AIRIR, 2002, 1, p.268-281.