ALTAFF Association for Library Trustees, Advocates, Friends and Foundation (formerly ALTA).
LTA Library Trustee Association of New York State (formerly NYASALB - New York State Association of Library Boards)
BoardSource the premiere voice of nonprofit governance, is dedicated to increasing the effectiveness of nonprofit organizations by strengthening their board of directors. Its highly acclaimed programs and services mobilize boards so that organizations fulfill their missions, achieve their goals, increase their impact, and extend their influence. BoardSource (formerly the National Center for Nonprofit Boards) is a 501 (c)(3) organization.
Helpful Information for Meeting Minimum Public Library Standards from the Division of Library Development.
Robert's Rules of Order - a question and answer forum that might be helpful.