Gualtherus Johannes Kolff

Gualtherus Johannes Kolff (Rotterdam, 31 January 1846 – The Hague, 14 October 1918) was the founder of the Dutch Library for the Blind.[1]

References

  1. ↑ "Henriette Jeannette en Gualtherus Johannes Kolff • Kolff". Kolff (in Dutch). Retrieved 28 January 2023.


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