The earthworm book

Worms Eat My Garbage

Mary Appelhof

1982

Vermiculture technology

Edwards, C. A.

2010

Earthworms for ecology & profit

Ronald E. Gaddie

1975

Raising earthworms for profit

Earl B. Shields

1971

Earthworm ecology and environment

National Symposium on Earthworm Ecology and Environment (1st 2007 Mahatma Jyotiba Phule Rohilkhand University, Bareilly)

2009

Worms at Work

Crystal Stevens

2017

Raising mealworms

Franklin H. May

1940

Harnessing the earthworm

Thomas Jason Barrett

1948