het-eerste-internationale-montessori-congres-te-elseneur-denemarken-1-v678gc8u Post date July 22, 2022 Tags Conferences, International Montessori Congress (1st, Helsingør/Elsinore, Denmark, 8-21 August 1929), Maria Montessori - Speeches, addresses, etc. ← het-eerste-internationaal-montessori-congres-te-elseneur-denemarken-2-4apjyg4y → vereeniging-opleidingscursus-voor-montessori-leerkrachten-te-amsterdam-d8drcuec