De Carolis, F. Egidio Calzini (1857-1928) E Gli Studi Di Storia dell’arte in Romagna E Nelle Marche Tra XIX E XX Secolo Egidio Calzini (1857-1928) and the Studies of Art History in Romagna and Marche Regions Between the 19th and the 20th Centuries. ICC - CHV Studies 2016, 153-172.