Haplotaxida

The formation of vegetable mould, through the action of worms: with observations on their habits

by Charles Darwin.

The physiology of earthworms.

M. S. Laverack

Into Science

Terry J. Jennings

Biologyof earthworms

C. A. Edwards, J. R. Lofty.

Die sinnesphysiologie der tubificiden: Eine experimentelle untersuchung mit besonderer berücksichtigunt der repiratorischen mechanismen

von Gust. Alterberg ...

Geoökologische Untersuchungen zur Naturraumgliederung und Regenwurmfauna des Niederen und Hohen Sundgaus (Elsass, Frankreich)

von Roland Bono.

Earthworm ecology: from Darwin to vermiculture

edited by J.E. Satchell.

Two new varieties of earthworms with a key to described species in Illinois

by Frank Smith.

The challenge of earthworm research

Robert Rodale

Macquaridrilus-- a new genus of Tubificidae (Oligochaeta) from Macquarie Island.

Barrie G. M. Jamieson