General
Governance Matters has created a Good Governance Guide, with questions and answers to guide both funders and nonprofit board.

The Board Leadership Project provides tools to improve governance, from board recruitment to revitalizing a laggard board.

Nonprofit Governance and the Sarbanes-Oxley Act, Insights from Urban Institute and BoardSource
Size matters, according to Urban Institute National Survey of Nonprofit Governance. The larger the organization, the more likely it currently complies or the easier it would be for it to comply with all provisions in the Sarbanes-Oxley. For each provision, read what the current nonprofit practice is, the perceived difficulty of compliance, and implications.

Sources of Board Members/Board Placements

BoardNetUSA matches nonprofits seeking new board members with people who want to join a nonprofit board.

United Way Linkages provides training and placement for nonprofit board members.

Board Assist identifies and recruits nonprofit board members.

Ask.com has several articles about serving on boards and board development.