RT Article T1 Increasing equity for children by targeting the vulnerable: U.S. child policy since 1960 JF Journal of comparative family studies VO 18 IS 2 SP 259 OP 270 A1 Sudia, Cecilia E. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1637117256 K1 Kinderpolitik K1 USA