The elementary school performance and adjustment of children who enter kindergarten late or repeat kindergartenNicholas Zill · First published 1997Open the Tome
The Life circumstances and development of children in welfare familiesNicholas Zill · First published 1991Open the Tome
Improving national statistics on children, youth, and familiesNicholas Zill · First published 1984Open the Tome
National statistics on children, youth, and their familiesNicholas Zill · First published 1984Open the Tome
Basic background items for U.S. household surveysNicholas Zill, Roxann A. Van Dusen · First published 1975Open the Tome
