minute-book-of-the-executive-committee-of-the-board-of-directors-of-the-panama-california-exposition-vol-ii-1913-january-7-1915-may-18-yyiepnz6 Post date May 27, 2023 Tags International Montessori Training Course (3rd, San Diego and San Francisco, USA, 1 July - 30 November 1915), Panama-California Exposition (1915, San Diego, California) ← maria-montessori-writes-to-her-father-letters-from-california-1915-m2f6x2h4 → montessori-education-8tiadzpy