Advocacy Resources
The American Association of Museum's Advocacy webpages includes advocacy alerts, policy issues and how to "advocate from anywhere".
Americans for the Arts serves, advances and leads the network of organizations and individuals who cultivate, promote, sustain, and support the arts in America.
The National Humanities Alliance advocates for the humanities on the national, state, and local levels.
Preservation Action serves as the national grassroots lobby for historic preservation.
More Information on Nonprofit Advocacy
National Council of Nonprofits - Everyday Advocacy
BoardSource - Nonprofit Advocacy and Ambassadorships