01065cam a22002891 4500001001300000003000400013005001700017008004100034010001700075035001900092040002400111042001200135050001600147060002300163082001000186100004500196245006200241260006600303300002700369490007100396500014500467650002100612650003000633740002100663810007400684999001700758sg 39000028 DLC20260227112741.0811121s1937 xx 000 0 eng  asg 39000028  a(OCoLC)2112226 aDLCcDNLMdOCUdDLC apremarc00aHQ772b.L4300aWS 350bL668s 1937 a136.71 aLevy, David M.q(David Mordecai),d1892-10aStudies in sibling rivalryc[by] David M. Levy, M. D. ... a[New York]bThe American orthopsychiatric association,c1937. a3 p. l., 5-96 p.bill.1 aResearch monographs,vno. 2, American orthopsychiatric association aStudies begun at the Institute for child guidance; reprinted from articles published in the American journal of orthopsychiatry. cf. p. [5] 0aSibling rivalry. 0aPsychology, Pathological.0 aSibling rivalry.2 aAmerican Orthopsychiatric Association.tResearch monographs ;vno. 2. c90300d90300