The Association de la libre entreprise organized a conference that gathered all these organizations in Paris in October 1950 to compare their means of action (booklets, conferences) and their goals (HIA, MPS, Box 31, Folder 8). We can here find an illustration of the “Russian Doll” thesis explained in the Postface to this volume by Philip Mirowski.

Philip Mirowski & Dieter Plehwe (eds.), The Road from Mont Pèlerin, loc. 326