Welcome to the Milwaukee Public Library's Ready Reference Quick Fact File. The "RRQFF" is a collection of recurringly asked for information compiled by the librarians who staff the popular telephone service. The file is arranged by subject in alphabetical order. Click on any letter above to see the entry headings. Then click on the individual listing to view the detailed information. Questions? Call Ready Reference at 414-286-3011 -or- send us a text, IM or email.