Middleschool Conference Krasnapolsky; L. van Gelder, H. Hugenholtz (FNV) and J. van den Bosch (president ABOP) Date: October 30, 1979 Keywords: basic education, conferences, unions, presidents Person Name: Bosch, Jan van den, Gelder, L. van, Hugenholtz H. Setting Name: ABOP

---

Size: 3878px × 2578px
Photo credit: © BNA Photographic / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: