Additional Links
Bayerisches Musiker-Lexikon Online 
Virtual International Authority File (VIAF) 
Gemeinsame Normdatei (GND) im Katalog der Deutschen Nationalbibliothek 
Kalliope Verbundkatalog
Data Provider:
https://d-nb.info/gnd/116570563/about (License:
CC0 1.0 ) via lobid-gnd
Resources in the search portal that are related to this Person / Organization:
The search for - Hegar, Johannes (GND 116570563) - yields no results in the ressources.