TY - BOOK ID - 134198753 TI - The education of backward children PY - 1939 PB - London [etc.] : G. G. Harrap & co. ltd., DB - UniCat KW - Children with mental disabilities KW - Child rearing. KW - Enfants handicapés mentaux KW - Education des enfants UR - https://www.unicat.be/uniCat?func=search&query=sysid:134198753 AB - ER -