The University of Iowa Libraries has an online subscription to Ancestry Library Edition.
Contains coverage of the U.S. and the U.K. data including census, vital, church, court, and immigration records, as well as record collections from Canada and other areas. A collection of more than 4,000 databases and 1.5 billion names including 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, WWI Draft Registration Cards, Federal Slave Narratives, and a Civil War collection.
Note: The Library Edition differs from Ancestry.com as users don't have access to many of the personalized features, like creating family trees, DNA results, etc.
Comparison between Ancestry.com and Ancestry Library Edition
We also have a number of print and online volumes of vital records and ship passenger lists
Try the following subject headings: