- U.S. Federal Census images and indexes from 1790 to 1930
- The Map Center containing more than 1,000 historical maps
- American Genealogical Biographical Index (over 200 volumes)
- Daughters of the American Revolution Lineage (over 150 volumes)
- The Great Migration Begins: Immigrants to New England, 1620-1630
- Social Security Death Index (updated monthly)
- WWI Draft Registration Cards
- Federal Slave Narratives
- A strong Civil War collection
Ancestry Library Edition updates continually, with more indexes and original images added all the time.