Photo. Profession: Administrator, bookkeeper Relation to Mahler: Lived in the same house Correspondence with Mahler:  Born: 00-00-1848 Kourim. Died: 00-00-0000  ...
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Willem Hutschenruyter (1863-1950)
Willem Hutschenruyter (1863-1950). Profession: Horn player, administrator Amsterdam Royal Concertgebouw Orchestra (RCO). Relation to Mahler:  Correspondence with Mahler:  Born: 22-09-1863 Rotterdam, ...
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