00780cam a22002411  450000100060000000300080000600500170001400800390003103500190007003500190008904000240010804100080013208200200014010000440016024501210020425000120032526000390033730000340037650000640041050400190047465000220049365000230051529706BD-RjUL20211209051440.0140406s1950    enka     b    001 0 eng  a(BD-RjUL)29791  a(OCoLC)6233902  aDLCcTxCMdDLCbeng  aeng  a136.7bVAP 19501 aValentine, Charles Wilfred,d1879-1964.14aThe psychology of early childhood :ba study of mental development in the first years of life /cC. W. Valentine ...  a4th ed.  aLondon :bMethuen & co. ltd,c1950  axiv, 522 p. :bill. ;c23 cm.  a"First published, June 25th, 1942 ... Third edition, 1946."  aincludes index 0aChild psychology. 0aInfant psychology.