GB/366/1440
Maria Montessori Institute
GB/366/1441
Association Montessori Internationale (AMI); 1929-
1929-
GB/366/377
World Education Fellowship; 1921-
1921-
GB/366/689
Freudenthal-Lutter; Susan Johanna (1906-1986)
1906-1986
GB/366/761
Montessori; Mario ([1901]-1982)
[1901]-1982