About.com : Women's History, Anna Jarvis and Mother's Day
http://womenshistory.about.com/od/mothersday/a/anna_jarvis.htm
Webpage in About.com describing Anna's involvement and the events which led up to the proclamation of "Mother's Day" as an official federal holiday. Numerous links are listed for further reading about Mother's Day as well.
Referenced in:
Mother's Day: The Creation of a Holiday