For Texas residents: Advocacy Tools from the Texas Library Association
Includes an overview of issues and sample letters.
For other states: Look for Advocacy Resources from your State or Regional Library Association
ALA Office for Library Advocacy has a comprehensive list of resources and suggestions.
United for Libraries (formerly ALTAFF) is a division of ALA that brings together libraries' voices to speak out on behalf of library services and free public access to information.
EveryLibrary.org's On the Ballot page has a nationwide list of upcoming library-related referenda, levys, millages, and bonding issues coming before the voters in the near future.
ALA's Fact Sheet on Public Library Usage provides talking points for building library support.
Nine Reasons to Save Public Libraries from the Independent Voter Network.