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Books about Mickwitz:
Memoirs of Harold Von Mickwitz by Mickwitz Club (1936)
The Memoirs of Harold Von Mickwitz by Harold Von Mickwitz (1936)
Wiki information Mickwitz:
Harold von Mickwitz was a Finnish-born American concert pianist and composer who had been head the piano departments of conservatories in Germany and the United States.
Peter Mickwitz (Finland) is a Swedish-language poet, translator, and essayist.