http://www.clark.net/pub/pwalker/home.html
This home page from Phillip A. Walker offers you a large and well organized index with a wealth of sites of interest to nonprofits. Information is listed under the following headings--Business and Work, General Nonprofit Resources, General Reference, Health and Human Services, Internet in General, News Sources, Other Nonprofit Issues, Other Personal Interests, United States Government, United Way on the Internet, Weather and Disasters, and more.