Fundamental Reference Sources
James H. Sweetland
Jessie C. Smith and Carrell Horton, eds. 4th ed. Detroit: Gale, 1997. 1064p.
Statistical record of children. Linda Schmittroth, ed. Detroit: Gale, 1994. 983p-
Statistical record of health and medicine. 2d ed. Arsen Darnay, ed. Detroit: Gale,
1998.