Catharina Helmina Koperberg was assistant at the library of the KNMI from 1938. She was fired there by decree of the nazis on 21 November 1940.
Addition of a visitor of the website
Catharina Helmina Koperberg was assistant at the library of the KNMI from 1938. She was fired there by decree of the nazis on 21 November 1940.
Addition of a visitor of the website