Philipp Helfmann
Born Oct 7, 1843, died Oct 19, 1899.1
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataPhilipp Helfmann on Wikidata
- 2WikidataHochtief, Founder
Born Oct 7, 1843, died Oct 19, 1899.1
The numbers on this page point here. Each one links to the record it came from.