00621 a2200217 4500 Eng 301.42 B654l Bossard, James Herbert Siward, 1888- 17037 Boll, Eleanor S. 17038 The large family system an original study in the sociology of family behaviour Phildadelphia Univ. of Pennsylvania Press 1956 325p, 2067-11-3 Children 600 Siblings 17039 Interaction 16890 Formation 8912 Child 4945 Family ddc GEN 57635 57629 0 0 ddc 0 0 TUCL TUCL 2011-02-15 0 301.42 B654l 8828 2011-02-15 00:00:00 2011-02-15 GEN