Robbins, I. M. S. « FILMS: KNOWING TO LEARN, THE CHANGEOVER, SUMMERHILL, LEARNING BY DOING, MOVING 1S LEARNING, KINDERGARTEN, NO REA50N TO STAY, A SEARCH FOR LEARNING, IF THESE WERE YOUR CHILDREN ». Revue Des Sciences De l’éducation De McGill / McGill Journal of Education, vol. 4, nᵒ 002, août 1969, https://mje.mcgill.ca/article/view/6796.