Erie County residents with a valid Buffalo & Erie County Public Library card number have free access to HeritageQuest Online, which contains U.S. federal census records from 1790-1940, special federal census schedules, over 20,000 local and family history books, over 20,000 U.S. city directories, a genealogical and local history serials index, Revolutionary War Pension Files, Freedman’s Bank Records, and select content from the U.S. Serial Set.