Samuel Liddell Mathers 
Biography from the web site of the Hermetic Order of the Golden Dawn.
http://www.hermeticgoldendawn.org/Documents/Bios/mathers.htmS. L. MacGregor Mathers
Biographical sketch with sources.
http://www.kheper.net/topics/Hermeticism/Mathers.html
Biography of Samuel Liddel MacGregor Mathers
Biographical article and rare photos.
http://www.golden-dawn.org/biomathers.html
Golden Dawn Research Center - The Truth About S.L. MacGregor Mathers
An in depth article about Mathers and his role in the Western Mystery Tradition.
http://www.golden-dawn.org/truth_mathers.html
Samuel Liddell MacGregor Mathers
Comprehensive article detailing Mathers, Crowley, the Golden Dawn and various related people and events.
http://www.controverscial.com/Samuel%20Liddell%20Macgregor%20Mathers.htm
Samuel Liddel MacGregor Mathers
Mathers and freemasonry.
http://freemasonry.bcy.ca/biography/esoterica/mathers_m/mathers_m.html
