Earthworm Biology and Production - Information circular from University of Florida, Institute of Food and Agricultural Sciences. edis.ifas.ufl.edu/IN047
Earthworm Information - Extensive information about individual species, ecology and biology, and role in agriculture. www.sarep.ucdavis.edu/worms
Malaysian Freshwater Oligochaetes - A table of freshwater Oligochaete occurrences in Malaysian rivers and lakes. fsas.upm.edu.my/~arahim/arahim/oligo.html
Oligochaeta - A nice summary of the families of freshwater Oligochaetes found in North America. www.chebucto.ns.ca/Science/SWCS/ZOOBENTH/oligocha.html
