Construction Notice
The Clark Family Branch (formerly Headquarters) will open to the public on July 9. The Post Events Center will open on June 1.
History & Genealogy will suspend services beginning Monday, May 20. Services resume at the Clark Family Branch on July 9.
Today is #GiveSTLDay!
Help us make a difference by donating to the St. Louis County Library Foundation at givestlday.org.
The National Genealogical Society (NGS) is a non-profit organization providing education, training, and standards for anyone interested in genealogical research. The St. Louis County Library Special Collections Department holds the NGS Book Loan Collection.