00420nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400220010810000100013024500400014026000570018030000100023770000150024720250508150630.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a681.15, KAYqFEDL  aKay J 0aToys: Their design and construction  aLondon, UKbUniversity of London Press Limitedc1947  a125p.  a White C T