John P. Keifer
Hamilton, worked 1910–1926
KEIFER, John P. Worked circa. 1910-1926 Hamilton, Ohio USA. Violin and bow maker. — John Dilworth
Biographies
The overview above is drawn from the following published accounts. Read them in the original:
John Dilworth+
KEIFER, John P. Worked circa. 1910-1926 Hamilton, Ohio USA. Violin and bow maker.
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