00896cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040002300111042001200134050001700146100004100163245028500204260002400489300002200513650002200535650003600557700003100593710004200624ss 50000030 DLC20260227112751.0820127s1950    dcu           000 0 eng    ass 50000030   a(OCoLC)8098992  aDLCcOrUdOrUdDLC  apremarc00aZ5814.C5bD41 aDel Solar, Charlotte Fehlman,d1918-10aReadings on the psychological development of infants and childrenc[by] Charlotte Del Solar ... [and] Milton J. E. Senn ... Child Study Center, Yale University, New Haven, Conn., in collaboration with the Federal Security Agency, Social Security Administration, Children's Bureau.  a[Washington]c1950.  avi, 46 p.c27 cm. 0aChild psychology. 0aChild psychologyvBibliography.1 aSenn, Milton J. E.,d1902-2 aYale University.bChild Study Center.