• Participants International Course
  • Partipants International Course
  • Participants International Course
  • Invitation for the reception from the 4th International Nematology course 1968
  • Piet Loof congratulates Jan Zadoks
  • Jan Verhaaf (L) and Piet Loof (R)
  • Diploma granting 4e International Nematology Course 1968 (certification)
  • Diner at the International Club at the start of the course
  • Diner at the International Club at the start of the course
  • Drinking coffee in the practical room: Dr. Coomans (Belgie), Hr. Van Berkum, Hr. Schuiling, Dhr. Viets, Dhr, J. Verhaaf, Mevr. Brink, Mevr. Bijvanck, Mevr. Sachteleben, Prof. Paik (Korea), Dr. Bassu (India), en Hr. Winoto