Friedmann restaurant in Baden Bei Wien 1900-1915? #austria-czech #hungary


Hello I am researching Margit Friedmann (born 1890 Udvari) and her siblings and parents from Biharudvari, Hungary, who moved to Vienna from 1915 but at some point Margit's father Izsak may also have had a restaurant in Baden Bei Wien and it would be good to see this in the records. Does anyone know where in the Austrian/German records at this time I might find addresses or even census information, I think there was a census in 1910? Or a business address source? Many thanks for any pointers.
Emma Cole

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