00591cam a22002051  4500001001300000003000400013005001700017008004100034010001700075035001900092040004800111042001200159050001600171100004800187245005600235260003100291300002400322650002200346999001700368e  08000002 DLC20260227111149.0820618s1907    enk           000 0 eng c  ae  08000002   a(OCoLC)8528853  aLibrary, U.S. Office of EducationcViUdDLC  apremarc00aLB1115b.D71 aDrummond, W. B.q(William Blackley),d1868-13aAn introduction to child-study,cby W. B. Drummond.  aLondon,bE. Arnold,c1907.  avii, 348 p.c19 cm. 0aChild psychology.  c18663d18663