Several page article. Earthworms of North Dakota - Access to summary of nice article with references by R. Utter et. Worms at Work, How to use the earthworm - Victoria, Australia. Video for sale and some descriptive text about earthworm functions. Author is anonymous.
Earthworms wormy composting - Worm composting for children.
Resources for sale. A short article by Edwards et. Earthworm Ecology and Biogeography in North America - Advertisement including contents for book. The book is an excellent resource. Earthworm Enemies - Ohio Extension Fact Sheet authored by William Lyon.