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Author/Creator
- United States. Congress. House170
- National Center for Health Statistics (U.S.)136
- National Center for Health Statistics (U.S.), issuing body119
- Centers for Disease Control and Prevention (U.S.)78
- United States66
- Christ Church (Philadelphia, Pa.)50
- United Churches of Christ-Church and St. Peter's (Philadelphia, Pa.)48
- United States. Congress. Senate48
- Worshipful Company of Parish Clerks46
- ebrary, Inc45
- Cash, Caleb44
- United States. Commissioners of the District of Columbia (1874-1967)44
- United States. Bureau of the Census40
- District of Columbia. Health Department33
- United States. Children's Bureau33
- United States. War Dept32
- Whitehead, Matthew31
- World Health Organization28
- Dublin, Louis I. (Louis Israel), 1882-196927
- United States. Census Office25