A few of my recommended sites: (in no particular order)
Studios in Australia who have performed work on one or more historic Ferguson & Urie stained glass windows.
Geoff publishes his eMagazine the Stained Glass Observer which you can download from his web site here: GWSG eMagazine
Cummins & Stehn: Gerry Cummins & Jill Stehn, Eumundi, Queensland.
Some Reference Sites:
The King James Bible is the primary reference to the biblical depictions seen in the windows by Ferguson & Urie which appear in Anglican/CofE and Presbyterian Churches in the late 1800’s.
Stained Glass Australia: (by Ray)
The Ferguson & Urie Flickr photo stream: (by Ray).
Gordon Plumb: Gordon Plunb’s UK Flickr Stained Glass Photo Stream.
TheRevSteve: The Reverend Steve Day’s UK Flickr Stained Glass Photo Stream.
Harry Clarke: Ireland’s Artistic Genius
Fisheaters.com: Unravel some of the mystery and the meanings behind the symbols depicted in the windows.
Gocek.org: Another great resource on symbolism.