مراجع
- ^ Bertil H. Van Boer Historical Dictionary of Music of the Classical Period 2012- Page 239 "The son of Kapellmeister Johann Graf (1684–1750) and brother to Christian Ernst Graf, he joined a military regiment in 1743, being wounded and interned during the Seven Years' War. In 1759 upon his release he moved to Hamburg, and in ."
- ^ Clarissa Campbell Orr Queenship in Britain, 1660-1837- 2002 - Page 175 ".Christian Ernst Graf, the most important Dutch composer in the second half of the eighteenth ."
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