Salvation
Army -- the industry's most famous "donate now"
button
http://www.salvationarmy.org
Chronicle
of Philanthropy-- June 15, 2000 article reporting
on online giving survey 252 nonprofits
http://philanthropy.com/premium/articles/v12/i17/17003801.htm
(must be subscriber)
Penn
Library-- Schoenberg Center for Electronic Text and
Image
http://www.library.upenn.edu/etext/
(follow link from "about SCETI" to Schoenberg donor recognition)