Diversity of Life: Kingdom Monera Lots of links to more information. http://www.geocities.com/RainForest/6243/diversity2.html#Bacteria (Added: Wed Jun 12 2002)
Iron and Sulfur Bacteria in Water Supplies Description of both sulfur-oxidizing and sulfur-reducing bacteria. http://www.hhs.state.ne.us/puh/enh/feswater.htm (Added: Tue Feb 12 2002)
Major Groups of Prokaryotes Much text and photomicrographs of the major groups of bacteria. http://www.bact.wisc.edu/Bact303/MajorGroupsOfProkaryotes (Added: Wed Jun 12 2002)