IRS Laws:
Compliance Guide for 501(c)(3) Public Charities

Here is the weblink for the California State Attorney General's Handbook on Charity laws for the nonprofit:

Here is weblink which summarizes the Directors & Officers Liability issues:

Here is weblink for IRS StayExempt Courses:

Here is weblink for California Corporations Code Sections:

Here is weblink to YouTube Videos by GuideStar which explain how to complete Form 990:

Here is Webinar Archive from GuideStar which provides information on various phases of nonprofit operation and management: