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Source(s):
Aßfalg, Winfried. From Riedlingen to Vienna, along the Danube. Conrad Graf (1782-1851). "Kaiserl. can Hof-Fortepianomacher Wien". In: Society for Home Care Biberach e. V. (Ed.): BC - Local history sheets for the district of Biberach. 18th year. Issue 1/1995, pp. 3-30, ZDB-ID 136055-3. Pages 3-4.
1671 |
September 28, 1671
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1700 |
April 17, 1700
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1741 |
March 21, 1741
Age 69
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