000 00803cam a22002291 4500
001 med47001808
003 DLC
005 20260227111603.0
008 811121s1947 xx 000 0 eng
010 _amed47001808
035 _a(OCoLC)14658146
040 _aDLC
_cDNLM
_dDLC
042 _apremarc
050 0 0 _aRJ61
_b.S636 1947
060 0 _aWS 113
_bS646m 1947
100 1 _aSmith, Esther L.,
_d1895-
245 1 0 _aMother and child
_b The official Hay system book on the pre-natal care of the mother, and the care, feeding and training of children.
260 _aMount Pocono, Pa.,
_bHay system publications
_c[c1947]
300 _a224 p.
500 _aA new edition of The Hay system of child development, by William H. Hay and Esther L. Smith.
700 1 _aHay, William Howard,
_d1866-1940.
999 _c38415
_d38415