HeadingCalzolari, Enrico used in: Integrated Authority File (GND), Germany
Sources
Found inABI (WBIS)
Portrait of italian opera singer Enrico Calzolari (1823-1888) [Unknown authorUnknown author / http://biblioteche2.comune.parma.it/dm/445.htm -- Public domain -- http://commons.wikimedia.org/wiki/File:Enrico calzolari.jpg]