Perennial Geraniums  
   Brief article on the cultivation of these plants and the history of the genus name. Features a list of individual species and their characteristics.
   http://www.simplegiftsfarm.com/Articles/Artger.html

Glendale Geraniums  
   Large collection of photos plus a discussion forum.
   http://www.glendalegeraniums.co.uk/

Growing Hardy Geraniums  
   Describes the cultivation, care, and propagation of these plants. Includes photos and facts about individual species.
   http://www.devonian.ualberta.ca/getgro33.html

Hardy Geraniums  
   Home gardener in Ireland enthuses about her favorite class of perennials in this article filled with photos and information about the various species and cultivars.
   http://www.esatclear.ie/~emal/geran.html