AMAuthorsHermann Gottlieb HelmerDate of birth13 Jul 1849, Harburg u HannoveruDate of death2 Apr 1919, VídeňSourceshttps://encyklopedie.brna.cz/home-mmb/?acc=profil_osobnosti&load=10555.Objects of the authorThe Municipal TheatreObjects of the author in other architectural manualsBrno Architecture Manual
