Of Ruth Emilie Sollinger, several documents remain:
- A copy of the results page of the final A-diploma of the higher secondary school, achieved in Almelo in 1939;
- A copy of the hallmarked Act of Competence as a Teacher, obtained at the Jewish Nursery School in Amsterdam and dated 18 June 1940;
- The original of the practical certificate as General Secretary, signed on 31 July 1940;
- The origi…